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Finding the Fourth Proportional to 282,807.79, 424,349.89 and 133,062.89

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Solution

The fourth proportional to 282,807.79, 424,349.89 and 133,062.89 is: 199,659.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,807.79 : 424,349.89 = 133,062.89 : x
  2. Step 2: Convert to fraction form
    282,807.79/424,349.89 = 133,062.89/x
  3. Step 3: Cross multiply
    282,807.79x = 424,349.89 × 133,062.89
  4. Step 4: Simplify right side
    282,807.79x = 56,465,220,280.18
  5. Step 5: Solve for x
    x = 56,465,220,280.18/282,807.79
  6. Step 6: Final answer
    x = 199,659.35

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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.