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Finding the Fourth Proportional to 486,003.60, 729,005.40 and 433,472.40

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Solution

The fourth proportional to 486,003.60, 729,005.40 and 433,472.40 is: 650,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,003.60 : 729,005.40 = 433,472.40 : x
  2. Step 2: Convert to fraction form
    486,003.60/729,005.40 = 433,472.40/x
  3. Step 3: Cross multiply
    486,003.60x = 729,005.40 × 433,472.40
  4. Step 4: Simplify right side
    486,003.60x = 316,003,720,350.96
  5. Step 5: Solve for x
    x = 316,003,720,350.96/486,003.60
  6. Step 6: Final answer
    x = 650,208.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.