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Finding the Fourth Proportional to 425,574.40, 587,269.12 and 234,587.52

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Solution

The fourth proportional to 425,574.40, 587,269.12 and 234,587.52 is: 323,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,574.40 : 587,269.12 = 234,587.52 : x
  2. Step 2: Convert to fraction form
    425,574.40/587,269.12 = 234,587.52/x
  3. Step 3: Cross multiply
    425,574.40x = 587,269.12 × 234,587.52
  4. Step 4: Simplify right side
    425,574.40x = 137,766,006,433.38
  5. Step 5: Solve for x
    x = 137,766,006,433.38/425,574.40
  6. Step 6: Final answer
    x = 323,717.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.