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Finding the Fourth Proportional to 282,752.44, 389,909.10 and 187,224.28

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Solution

The fourth proportional to 282,752.44, 389,909.10 and 187,224.28 is: 258,177.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,752.44 : 389,909.10 = 187,224.28 : x
  2. Step 2: Convert to fraction form
    282,752.44/389,909.10 = 187,224.28/x
  3. Step 3: Cross multiply
    282,752.44x = 389,909.10 × 187,224.28
  4. Step 4: Simplify right side
    282,752.44x = 73,000,450,512.95
  5. Step 5: Solve for x
    x = 73,000,450,512.95/282,752.44
  6. Step 6: Final answer
    x = 258,177.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.