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Finding the Fourth Proportional to 561,247.59, 841,878.69 and 187,270.59

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Solution

The fourth proportional to 561,247.59, 841,878.69 and 187,270.59 is: 280,908.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,247.59 : 841,878.69 = 187,270.59 : x
  2. Step 2: Convert to fraction form
    561,247.59/841,878.69 = 187,270.59/x
  3. Step 3: Cross multiply
    561,247.59x = 841,878.69 × 187,270.59
  4. Step 4: Simplify right side
    561,247.59x = 157,659,121,439.51
  5. Step 5: Solve for x
    x = 157,659,121,439.51/561,247.59
  6. Step 6: Final answer
    x = 280,908.32

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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.