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Finding the Fourth Proportional to 582,391.96, 873,592.80 and 161,700.64

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Solution

The fourth proportional to 582,391.96, 873,592.80 and 161,700.64 is: 242,552.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,391.96 : 873,592.80 = 161,700.64 : x
  2. Step 2: Convert to fraction form
    582,391.96/873,592.80 = 161,700.64/x
  3. Step 3: Cross multiply
    582,391.96x = 873,592.80 × 161,700.64
  4. Step 4: Simplify right side
    582,391.96x = 141,260,514,859.39
  5. Step 5: Solve for x
    x = 141,260,514,859.39/582,391.96
  6. Step 6: Final answer
    x = 242,552.31

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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.