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Finding the Fourth Proportional to 497,802,129.60, 747,375,040.80 and 395,681,476.80

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Solution

The fourth proportional to 497,802,129.60, 747,375,040.80 and 395,681,476.80 is: 594,056,236.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,802,129.60 : 747,375,040.80 = 395,681,476.80 : x
  2. Step 2: Convert to fraction form
    497,802,129.60/747,375,040.80 = 395,681,476.80/x
  3. Step 3: Cross multiply
    497,802,129.60x = 747,375,040.80 × 395,681,476.80
  4. Step 4: Simplify right side
    497,802,129.60x = 295,722,459,867,204,224
  5. Step 5: Solve for x
    x = 295,722,459,867,204,224/497,802,129.60
  6. Step 6: Final answer
    x = 594,056,236.97

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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.