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Finding the Fourth Proportional to 619,434,223.47, 854,836,849.17 and 337,194,865.65

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Solution

The fourth proportional to 619,434,223.47, 854,836,849.17 and 337,194,865.65 is: 465,338,506.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,434,223.47 : 854,836,849.17 = 337,194,865.65 : x
  2. Step 2: Convert to fraction form
    619,434,223.47/854,836,849.17 = 337,194,865.65/x
  3. Step 3: Cross multiply
    619,434,223.47x = 854,836,849.17 × 337,194,865.65
  4. Step 4: Simplify right side
    619,434,223.47x = 288,246,596,508,547,456
  5. Step 5: Solve for x
    x = 288,246,596,508,547,456/619,434,223.47
  6. Step 6: Final answer
    x = 465,338,506.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.