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Finding the Fourth Proportional to 630,265.92, 945,398.40 and 187,033.92

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Solution

The fourth proportional to 630,265.92, 945,398.40 and 187,033.92 is: 280,550.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,265.92 : 945,398.40 = 187,033.92 : x
  2. Step 2: Convert to fraction form
    630,265.92/945,398.40 = 187,033.92/x
  3. Step 3: Cross multiply
    630,265.92x = 945,398.40 × 187,033.92
  4. Step 4: Simplify right side
    630,265.92x = 176,821,568,713.73
  5. Step 5: Solve for x
    x = 176,821,568,713.73/630,265.92
  6. Step 6: Final answer
    x = 280,550.74

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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.