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Finding the Fourth Proportional to 373,980,718.39, 560,944,472.13 and 115,168,951.39

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Solution

The fourth proportional to 373,980,718.39, 560,944,472.13 and 115,168,951.39 is: 172,745,233.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,980,718.39 : 560,944,472.13 = 115,168,951.39 : x
  2. Step 2: Convert to fraction form
    373,980,718.39/560,944,472.13 = 115,168,951.39/x
  3. Step 3: Cross multiply
    373,980,718.39x = 560,944,472.13 × 115,168,951.39
  4. Step 4: Simplify right side
    373,980,718.39x = 64,603,386,643,229,176
  5. Step 5: Solve for x
    x = 64,603,386,643,229,176/373,980,718.39
  6. Step 6: Final answer
    x = 172,745,233.82

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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.