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Finding the Fourth Proportional to 561,013.44, 841,527.60 and 187,036.56

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Solution

The fourth proportional to 561,013.44, 841,527.60 and 187,036.56 is: 280,557.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,013.44 : 841,527.60 = 187,036.56 : x
  2. Step 2: Convert to fraction form
    561,013.44/841,527.60 = 187,036.56/x
  3. Step 3: Cross multiply
    561,013.44x = 841,527.60 × 187,036.56
  4. Step 4: Simplify right side
    561,013.44x = 157,396,427,449.06
  5. Step 5: Solve for x
    x = 157,396,427,449.06/561,013.44
  6. Step 6: Final answer
    x = 280,557.32

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1.5x scale

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.