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Finding the Fourth Proportional to 582,872.64, 874,310.52 and 162,148.56

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Solution

The fourth proportional to 582,872.64, 874,310.52 and 162,148.56 is: 243,223.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,872.64 : 874,310.52 = 162,148.56 : x
  2. Step 2: Convert to fraction form
    582,872.64/874,310.52 = 162,148.56/x
  3. Step 3: Cross multiply
    582,872.64x = 874,310.52 × 162,148.56
  4. Step 4: Simplify right side
    582,872.64x = 141,768,191,810.85
  5. Step 5: Solve for x
    x = 141,768,191,810.85/582,872.64
  6. Step 6: Final answer
    x = 243,223.27

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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.