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Finding the Fourth Proportional to 615,697,449.48, 849,673,520.55 and 337,221,036.88

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Solution

The fourth proportional to 615,697,449.48, 849,673,520.55 and 337,221,036.88 is: 465,371,077.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,697,449.48 : 849,673,520.55 = 337,221,036.88 : x
  2. Step 2: Convert to fraction form
    615,697,449.48/849,673,520.55 = 337,221,036.88/x
  3. Step 3: Cross multiply
    615,697,449.48x = 849,673,520.55 × 337,221,036.88
  4. Step 4: Simplify right side
    615,697,449.48x = 286,527,785,607,226,784
  5. Step 5: Solve for x
    x = 286,527,785,607,226,784/615,697,449.48
  6. Step 6: Final answer
    x = 465,371,077.71

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Why These Related Problems?

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