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Finding the Fourth Proportional to 593,505.74, 891,147.99 and 513,789.59

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Solution

The fourth proportional to 593,505.74, 891,147.99 and 513,789.59 is: 771,454.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,505.74 : 891,147.99 = 513,789.59 : x
  2. Step 2: Convert to fraction form
    593,505.74/891,147.99 = 513,789.59/x
  3. Step 3: Cross multiply
    593,505.74x = 891,147.99 × 513,789.59
  4. Step 4: Simplify right side
    593,505.74x = 457,862,560,411.42
  5. Step 5: Solve for x
    x = 457,862,560,411.42/593,505.74
  6. Step 6: Final answer
    x = 771,454.31

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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.