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Finding the Fourth Proportional to 673,888.11, 929,575.76 and 435,424.11

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Solution

The fourth proportional to 673,888.11, 929,575.76 and 435,424.11 is: 600,633.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,888.11 : 929,575.76 = 435,424.11 : x
  2. Step 2: Convert to fraction form
    673,888.11/929,575.76 = 435,424.11/x
  3. Step 3: Cross multiply
    673,888.11x = 929,575.76 × 435,424.11
  4. Step 4: Simplify right side
    673,888.11x = 404,759,695,798.45
  5. Step 5: Solve for x
    x = 404,759,695,798.45/673,888.11
  6. Step 6: Final answer
    x = 600,633.38

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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.