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Finding the Fourth Proportional to 561,271.48, 841,914.42 and 187,294.48

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Solution

The fourth proportional to 561,271.48, 841,914.42 and 187,294.48 is: 280,944.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,271.48 : 841,914.42 = 187,294.48 : x
  2. Step 2: Convert to fraction form
    561,271.48/841,914.42 = 187,294.48/x
  3. Step 3: Cross multiply
    561,271.48x = 841,914.42 × 187,294.48
  4. Step 4: Simplify right side
    561,271.48x = 157,685,923,498.40
  5. Step 5: Solve for x
    x = 157,685,923,498.40/561,271.48
  6. Step 6: Final answer
    x = 280,944.12

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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.