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Finding the Fourth Proportional to 673,602.02, 929,432.03 and 387,066.75

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Solution

The fourth proportional to 673,602.02, 929,432.03 and 387,066.75 is: 534,072.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,602.02 : 929,432.03 = 387,066.75 : x
  2. Step 2: Convert to fraction form
    673,602.02/929,432.03 = 387,066.75/x
  3. Step 3: Cross multiply
    673,602.02x = 929,432.03 × 387,066.75
  4. Step 4: Simplify right side
    673,602.02x = 359,752,236,117.88
  5. Step 5: Solve for x
    x = 359,752,236,117.88/673,602.02
  6. Step 6: Final answer
    x = 534,072.38

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Half scale
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Double scale
Find fourth proportional to 673,603.02, 929,433.41 and 387,067.75
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.