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Finding the Fourth Proportional to 582,866.64, 874,301.52 and 162,142.56

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Solution

The fourth proportional to 582,866.64, 874,301.52 and 162,142.56 is: 243,214.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,866.64 : 874,301.52 = 162,142.56 : x
  2. Step 2: Convert to fraction form
    582,866.64/874,301.52 = 162,142.56/x
  3. Step 3: Cross multiply
    582,866.64x = 874,301.52 × 162,142.56
  4. Step 4: Simplify right side
    582,866.64x = 141,761,486,664.69
  5. Step 5: Solve for x
    x = 141,761,486,664.69/582,866.64
  6. Step 6: Final answer
    x = 243,214.27

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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.