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Finding the Fourth Proportional to 598,672.60, 898,008.90 and 577,677.40

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Solution

The fourth proportional to 598,672.60, 898,008.90 and 577,677.40 is: 866,516.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,672.60 : 898,008.90 = 577,677.40 : x
  2. Step 2: Convert to fraction form
    598,672.60/898,008.90 = 577,677.40/x
  3. Step 3: Cross multiply
    598,672.60x = 898,008.90 × 577,677.40
  4. Step 4: Simplify right side
    598,672.60x = 518,759,446,528.86
  5. Step 5: Solve for x
    x = 518,759,446,528.86/598,672.60
  6. Step 6: Final answer
    x = 866,516.10

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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.