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Finding the Fourth Proportional to 707,293, 1,060,949.22 and 392,365

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Solution

The fourth proportional to 707,293, 1,060,949.22 and 392,365 is: 588,552.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,293 : 1,060,949.22 = 392,365 : x
  2. Step 2: Convert to fraction form
    707,293/1,060,949.22 = 392,365/x
  3. Step 3: Cross multiply
    707,293x = 1,060,949.22 × 392,365
  4. Step 4: Simplify right side
    707,293x = 416,279,340,705.30
  5. Step 5: Solve for x
    x = 416,279,340,705.30/707,293
  6. Step 6: Final answer
    x = 588,552.89

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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.