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Finding the Fourth Proportional to 282,677.80, 424,016.70 and 125,213.80

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Solution

The fourth proportional to 282,677.80, 424,016.70 and 125,213.80 is: 187,820.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,677.80 : 424,016.70 = 125,213.80 : x
  2. Step 2: Convert to fraction form
    282,677.80/424,016.70 = 125,213.80/x
  3. Step 3: Cross multiply
    282,677.80x = 424,016.70 × 125,213.80
  4. Step 4: Simplify right side
    282,677.80x = 53,092,742,270.46
  5. Step 5: Solve for x
    x = 53,092,742,270.46/282,677.80
  6. Step 6: Final answer
    x = 187,820.70

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1.5x scale

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.