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Finding the Fourth Proportional to 561,061.44, 841,599.36 and 187,084.32

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Solution

The fourth proportional to 561,061.44, 841,599.36 and 187,084.32 is: 280,628.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,061.44 : 841,599.36 = 187,084.32 : x
  2. Step 2: Convert to fraction form
    561,061.44/841,599.36 = 187,084.32/x
  3. Step 3: Cross multiply
    561,061.44x = 841,599.36 × 187,084.32
  4. Step 4: Simplify right side
    561,061.44x = 157,450,043,978.04
  5. Step 5: Solve for x
    x = 157,450,043,978.04/561,061.44
  6. Step 6: Final answer
    x = 280,628.88

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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.