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Finding the Fourth Proportional to 506,966.88, 699,770.04 and 292,250.48

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Solution

The fourth proportional to 506,966.88, 699,770.04 and 292,250.48 is: 403,395.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,966.88 : 699,770.04 = 292,250.48 : x
  2. Step 2: Convert to fraction form
    506,966.88/699,770.04 = 292,250.48/x
  3. Step 3: Cross multiply
    506,966.88x = 699,770.04 × 292,250.48
  4. Step 4: Simplify right side
    506,966.88x = 204,508,130,079.62
  5. Step 5: Solve for x
    x = 204,508,130,079.62/506,966.88
  6. Step 6: Final answer
    x = 403,395.44

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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.