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Finding the Fourth Proportional to 582,374.48, 803,614.92 and 327,721.52

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Solution

The fourth proportional to 582,374.48, 803,614.92 and 327,721.52 is: 452,220.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,374.48 : 803,614.92 = 327,721.52 : x
  2. Step 2: Convert to fraction form
    582,374.48/803,614.92 = 327,721.52/x
  3. Step 3: Cross multiply
    582,374.48x = 803,614.92 × 327,721.52
  4. Step 4: Simplify right side
    582,374.48x = 263,361,903,077.08
  5. Step 5: Solve for x
    x = 263,361,903,077.08/582,374.48
  6. Step 6: Final answer
    x = 452,220.89

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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.