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Finding the Fourth Proportional to 561,248.16, 841,879.53 and 187,271.16

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Solution

The fourth proportional to 561,248.16, 841,879.53 and 187,271.16 is: 280,909.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,248.16 : 841,879.53 = 187,271.16 : x
  2. Step 2: Convert to fraction form
    561,248.16/841,879.53 = 187,271.16/x
  3. Step 3: Cross multiply
    561,248.16x = 841,879.53 × 187,271.16
  4. Step 4: Simplify right side
    561,248.16x = 157,659,753,006.31
  5. Step 5: Solve for x
    x = 157,659,753,006.31/561,248.16
  6. Step 6: Final answer
    x = 280,909.17

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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.