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Finding the Fourth Proportional to 404,367,073.10, 606,550,609.65 and 396,304,916.30

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Solution

The fourth proportional to 404,367,073.10, 606,550,609.65 and 396,304,916.30 is: 594,457,374.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,367,073.10 : 606,550,609.65 = 396,304,916.30 : x
  2. Step 2: Convert to fraction form
    404,367,073.10/606,550,609.65 = 396,304,916.30/x
  3. Step 3: Cross multiply
    404,367,073.10x = 606,550,609.65 × 396,304,916.30
  4. Step 4: Simplify right side
    404,367,073.10x = 240,378,988,589,057,216
  5. Step 5: Solve for x
    x = 240,378,988,589,057,216/404,367,073.10
  6. Step 6: Final answer
    x = 594,457,374.45

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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.