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Finding the Fourth Proportional to 303,250.80, 454,876.20 and 283,567.80

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Solution

The fourth proportional to 303,250.80, 454,876.20 and 283,567.80 is: 425,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,250.80 : 454,876.20 = 283,567.80 : x
  2. Step 2: Convert to fraction form
    303,250.80/454,876.20 = 283,567.80/x
  3. Step 3: Cross multiply
    303,250.80x = 454,876.20 × 283,567.80
  4. Step 4: Simplify right side
    303,250.80x = 128,988,243,306.36
  5. Step 5: Solve for x
    x = 128,988,243,306.36/303,250.80
  6. Step 6: Final answer
    x = 425,351.70

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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.