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Finding the Fourth Proportional to 536,659.55, 739,809.82 and 375,012.91

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Solution

The fourth proportional to 536,659.55, 739,809.82 and 375,012.91 is: 516,972.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,659.55 : 739,809.82 = 375,012.91 : x
  2. Step 2: Convert to fraction form
    536,659.55/739,809.82 = 375,012.91/x
  3. Step 3: Cross multiply
    536,659.55x = 739,809.82 × 375,012.91
  4. Step 4: Simplify right side
    536,659.55x = 277,438,233,444.78
  5. Step 5: Solve for x
    x = 277,438,233,444.78/536,659.55
  6. Step 6: Final answer
    x = 516,972.51

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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.