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Finding the Fourth Proportional to 283,217.80, 424,826.70 and 233,451.40

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Solution

The fourth proportional to 283,217.80, 424,826.70 and 233,451.40 is: 350,177.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,217.80 : 424,826.70 = 233,451.40 : x
  2. Step 2: Convert to fraction form
    283,217.80/424,826.70 = 233,451.40/x
  3. Step 3: Cross multiply
    283,217.80x = 424,826.70 × 233,451.40
  4. Step 4: Simplify right side
    283,217.80x = 99,176,387,872.38
  5. Step 5: Solve for x
    x = 99,176,387,872.38/283,217.80
  6. Step 6: Final answer
    x = 350,177.10

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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.