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Finding the Fourth Proportional to 904,807,626.56, 1,357,224,978.13 and 344,600,394.29

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Solution

The fourth proportional to 904,807,626.56, 1,357,224,978.13 and 344,600,394.29 is: 516,905,747.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,807,626.56 : 1,357,224,978.13 = 344,600,394.29 : x
  2. Step 2: Convert to fraction form
    904,807,626.56/1,357,224,978.13 = 344,600,394.29/x
  3. Step 3: Cross multiply
    904,807,626.56x = 1,357,224,978.13 × 344,600,394.29
  4. Step 4: Simplify right side
    904,807,626.56x = 467,700,262,601,276,608
  5. Step 5: Solve for x
    x = 467,700,262,601,276,608/904,807,626.56
  6. Step 6: Final answer
    x = 516,905,747.56

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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.