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Finding the Fourth Proportional to 561,367.36, 841,778.08 and 187,264

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Solution

The fourth proportional to 561,367.36, 841,778.08 and 187,264 is: 280,804.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,367.36 : 841,778.08 = 187,264 : x
  2. Step 2: Convert to fraction form
    561,367.36/841,778.08 = 187,264/x
  3. Step 3: Cross multiply
    561,367.36x = 841,778.08 × 187,264
  4. Step 4: Simplify right side
    561,367.36x = 157,634,730,373.12
  5. Step 5: Solve for x
    x = 157,634,730,373.12/561,367.36
  6. Step 6: Final answer
    x = 280,804.94

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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.