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Finding the Fourth Proportional to 582,437.52, 803,789.64 and 327,805.20

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Solution

The fourth proportional to 582,437.52, 803,789.64 and 327,805.20 is: 452,385.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,437.52 : 803,789.64 = 327,805.20 : x
  2. Step 2: Convert to fraction form
    582,437.52/803,789.64 = 327,805.20/x
  3. Step 3: Cross multiply
    582,437.52x = 803,789.64 × 327,805.20
  4. Step 4: Simplify right side
    582,437.52x = 263,486,423,698.13
  5. Step 5: Solve for x
    x = 263,486,423,698.13/582,437.52
  6. Step 6: Final answer
    x = 452,385.73

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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.