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Finding the Fourth Proportional to 671,412.64, 926,572.04 and 365,500.20

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Solution

The fourth proportional to 671,412.64, 926,572.04 and 365,500.20 is: 504,402.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,412.64 : 926,572.04 = 365,500.20 : x
  2. Step 2: Convert to fraction form
    671,412.64/926,572.04 = 365,500.20/x
  3. Step 3: Cross multiply
    671,412.64x = 926,572.04 × 365,500.20
  4. Step 4: Simplify right side
    671,412.64x = 338,662,265,934.41
  5. Step 5: Solve for x
    x = 338,662,265,934.41/671,412.64
  6. Step 6: Final answer
    x = 504,402.58

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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.