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Finding the Fourth Proportional to 702,248.38, 969,095.86 and 379,951.41

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Solution

The fourth proportional to 702,248.38, 969,095.86 and 379,951.41 is: 524,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,248.38 : 969,095.86 = 379,951.41 : x
  2. Step 2: Convert to fraction form
    702,248.38/969,095.86 = 379,951.41/x
  3. Step 3: Cross multiply
    702,248.38x = 969,095.86 × 379,951.41
  4. Step 4: Simplify right side
    702,248.38x = 368,209,338,432.16
  5. Step 5: Solve for x
    x = 368,209,338,432.16/702,248.38
  6. Step 6: Final answer
    x = 524,329.21

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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.