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Finding the Fourth Proportional to 504,916,689.20, 757,375,033.80 and 232,818,897.20

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Solution

The fourth proportional to 504,916,689.20, 757,375,033.80 and 232,818,897.20 is: 349,228,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,916,689.20 : 757,375,033.80 = 232,818,897.20 : x
  2. Step 2: Convert to fraction form
    504,916,689.20/757,375,033.80 = 232,818,897.20/x
  3. Step 3: Cross multiply
    504,916,689.20x = 757,375,033.80 × 232,818,897.20
  4. Step 4: Simplify right side
    504,916,689.20x = 176,331,220,136,128,704
  5. Step 5: Solve for x
    x = 176,331,220,136,128,704/504,916,689.20
  6. Step 6: Final answer
    x = 349,228,345.80

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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.