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Finding the Fourth Proportional to 534,133,787.60, 801,200,681.40 and 496,720,341.20

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Solution

The fourth proportional to 534,133,787.60, 801,200,681.40 and 496,720,341.20 is: 745,080,511.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,133,787.60 : 801,200,681.40 = 496,720,341.20 : x
  2. Step 2: Convert to fraction form
    534,133,787.60/801,200,681.40 = 496,720,341.20/x
  3. Step 3: Cross multiply
    534,133,787.60x = 801,200,681.40 × 496,720,341.20
  4. Step 4: Simplify right side
    534,133,787.60x = 397,972,675,834,680,448
  5. Step 5: Solve for x
    x = 397,972,675,834,680,448/534,133,787.60
  6. Step 6: Final answer
    x = 745,080,511.80

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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.