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Finding the Fourth Proportional to 531,211.76, 733,072.24 and 292,747.76

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Solution

The fourth proportional to 531,211.76, 733,072.24 and 292,747.76 is: 403,991.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,211.76 : 733,072.24 = 292,747.76 : x
  2. Step 2: Convert to fraction form
    531,211.76/733,072.24 = 292,747.76/x
  3. Step 3: Cross multiply
    531,211.76x = 733,072.24 × 292,747.76
  4. Step 4: Simplify right side
    531,211.76x = 214,605,256,178.18
  5. Step 5: Solve for x
    x = 214,605,256,178.18/531,211.76
  6. Step 6: Final answer
    x = 403,991.91

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1.5x scale

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.