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Finding the Fourth Proportional to 531,442,340.10, 797,163,510.15 and 482,974,920.90

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Solution

The fourth proportional to 531,442,340.10, 797,163,510.15 and 482,974,920.90 is: 724,462,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,442,340.10 : 797,163,510.15 = 482,974,920.90 : x
  2. Step 2: Convert to fraction form
    531,442,340.10/797,163,510.15 = 482,974,920.90/x
  3. Step 3: Cross multiply
    531,442,340.10x = 797,163,510.15 × 482,974,920.90
  4. Step 4: Simplify right side
    531,442,340.10x = 385,009,983,259,062,592
  5. Step 5: Solve for x
    x = 385,009,983,259,062,592/531,442,340.10
  6. Step 6: Final answer
    x = 724,462,381.35

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Similar ratio
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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.