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Finding the Fourth Proportional to 281,773.18, 422,683.84 and 155,500.59

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Solution

The fourth proportional to 281,773.18, 422,683.84 and 155,500.59 is: 233,264.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,773.18 : 422,683.84 = 155,500.59 : x
  2. Step 2: Convert to fraction form
    281,773.18/422,683.84 = 155,500.59/x
  3. Step 3: Cross multiply
    281,773.18x = 422,683.84 × 155,500.59
  4. Step 4: Simplify right side
    281,773.18x = 65,727,586,503.47
  5. Step 5: Solve for x
    x = 65,727,586,503.47/281,773.18
  6. Step 6: Final answer
    x = 233,264.17

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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.