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Finding the Fourth Proportional to 567,532,979.73, 783,218,753.73 and 358,612,893.81

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Solution

The fourth proportional to 567,532,979.73, 783,218,753.73 and 358,612,893.81 is: 494,900,479.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,532,979.73 : 783,218,753.73 = 358,612,893.81 : x
  2. Step 2: Convert to fraction form
    567,532,979.73/783,218,753.73 = 358,612,893.81/x
  3. Step 3: Cross multiply
    567,532,979.73x = 783,218,753.73 × 358,612,893.81
  4. Step 4: Simplify right side
    567,532,979.73x = 280,872,343,761,377,056
  5. Step 5: Solve for x
    x = 280,872,343,761,377,056/567,532,979.73
  6. Step 6: Final answer
    x = 494,900,479.43

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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.