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Finding the Fourth Proportional to 282,679.60, 424,019.40 and 95,688.40

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Solution

The fourth proportional to 282,679.60, 424,019.40 and 95,688.40 is: 143,532.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,679.60 : 424,019.40 = 95,688.40 : x
  2. Step 2: Convert to fraction form
    282,679.60/424,019.40 = 95,688.40/x
  3. Step 3: Cross multiply
    282,679.60x = 424,019.40 × 95,688.40
  4. Step 4: Simplify right side
    282,679.60x = 40,573,737,954.96
  5. Step 5: Solve for x
    x = 40,573,737,954.96/282,679.60
  6. Step 6: Final answer
    x = 143,532.60

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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.