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Finding the Fourth Proportional to 582,872.89, 874,310.90 and 162,148.81

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Solution

The fourth proportional to 582,872.89, 874,310.90 and 162,148.81 is: 243,223.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,872.89 : 874,310.90 = 162,148.81 : x
  2. Step 2: Convert to fraction form
    582,872.89/874,310.90 = 162,148.81/x
  3. Step 3: Cross multiply
    582,872.89x = 874,310.90 × 162,148.81
  4. Step 4: Simplify right side
    582,872.89x = 141,768,471,194.29
  5. Step 5: Solve for x
    x = 141,768,471,194.29/582,872.89
  6. Step 6: Final answer
    x = 243,223.65

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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.