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Finding the Fourth Proportional to 488,367,959.70, 732,551,939.55 and 294,657,715.20

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Solution

The fourth proportional to 488,367,959.70, 732,551,939.55 and 294,657,715.20 is: 441,986,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,367,959.70 : 732,551,939.55 = 294,657,715.20 : x
  2. Step 2: Convert to fraction form
    488,367,959.70/732,551,939.55 = 294,657,715.20/x
  3. Step 3: Cross multiply
    488,367,959.70x = 732,551,939.55 × 294,657,715.20
  4. Step 4: Simplify right side
    488,367,959.70x = 215,852,080,773,131,488
  5. Step 5: Solve for x
    x = 215,852,080,773,131,488/488,367,959.70
  6. Step 6: Final answer
    x = 441,986,572.80

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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.