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Finding the Fourth Proportional to 282,990.79, 424,527.87 and 93,470.86

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Solution

The fourth proportional to 282,990.79, 424,527.87 and 93,470.86 is: 140,220.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,990.79 : 424,527.87 = 93,470.86 : x
  2. Step 2: Convert to fraction form
    282,990.79/424,527.87 = 93,470.86/x
  3. Step 3: Cross multiply
    282,990.79x = 424,527.87 × 93,470.86
  4. Step 4: Simplify right side
    282,990.79x = 39,680,985,102.87
  5. Step 5: Solve for x
    x = 39,680,985,102.87/282,990.79
  6. Step 6: Final answer
    x = 140,220.06

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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.