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Finding the Fourth Proportional to 582,637.02, 874,085.92 and 177,865.21

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Solution

The fourth proportional to 582,637.02, 874,085.92 and 177,865.21 is: 266,837.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,637.02 : 874,085.92 = 177,865.21 : x
  2. Step 2: Convert to fraction form
    582,637.02/874,085.92 = 177,865.21/x
  3. Step 3: Cross multiply
    582,637.02x = 874,085.92 × 177,865.21
  4. Step 4: Simplify right side
    582,637.02x = 155,469,473,088.97
  5. Step 5: Solve for x
    x = 155,469,473,088.97/582,637.02
  6. Step 6: Final answer
    x = 266,837.61

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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.