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Finding the Fourth Proportional to 531,215.76, 733,077.76 and 292,751.76

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Solution

The fourth proportional to 531,215.76, 733,077.76 and 292,751.76 is: 403,997.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,215.76 : 733,077.76 = 292,751.76 : x
  2. Step 2: Convert to fraction form
    531,215.76/733,077.76 = 292,751.76/x
  3. Step 3: Cross multiply
    531,215.76x = 733,077.76 × 292,751.76
  4. Step 4: Simplify right side
    531,215.76x = 214,609,804,456.86
  5. Step 5: Solve for x
    x = 214,609,804,456.86/531,215.76
  6. Step 6: Final answer
    x = 403,997.43

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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.