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Finding the Fourth Proportional to 282,958.57, 424,557.89 and 133,195.55

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Solution

The fourth proportional to 282,958.57, 424,557.89 and 133,195.55 is: 199,849.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,958.57 : 424,557.89 = 133,195.55 : x
  2. Step 2: Convert to fraction form
    282,958.57/424,557.89 = 133,195.55/x
  3. Step 3: Cross multiply
    282,958.57x = 424,557.89 × 133,195.55
  4. Step 4: Simplify right side
    282,958.57x = 56,549,220,999.41
  5. Step 5: Solve for x
    x = 56,549,220,999.41/282,958.57
  6. Step 6: Final answer
    x = 199,849.83

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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.