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Finding the Fourth Proportional to 652,679,661.60, 976,752,010.80 and 598,260,103.20

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Solution

The fourth proportional to 652,679,661.60, 976,752,010.80 and 598,260,103.20 is: 895,311,732.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,679,661.60 : 976,752,010.80 = 598,260,103.20 : x
  2. Step 2: Convert to fraction form
    652,679,661.60/976,752,010.80 = 598,260,103.20/x
  3. Step 3: Cross multiply
    652,679,661.60x = 976,752,010.80 × 598,260,103.20
  4. Step 4: Simplify right side
    652,679,661.60x = 584,351,758,782,015,488
  5. Step 5: Solve for x
    x = 584,351,758,782,015,488/652,679,661.60
  6. Step 6: Final answer
    x = 895,311,732.79

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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.