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Finding the Fourth Proportional to 630,258.92, 945,387.90 and 187,026.92

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Solution

The fourth proportional to 630,258.92, 945,387.90 and 187,026.92 is: 280,540.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,258.92 : 945,387.90 = 187,026.92 : x
  2. Step 2: Convert to fraction form
    630,258.92/945,387.90 = 187,026.92/x
  3. Step 3: Cross multiply
    630,258.92x = 945,387.90 × 187,026.92
  4. Step 4: Simplify right side
    630,258.92x = 176,812,987,142.27
  5. Step 5: Solve for x
    x = 176,812,987,142.27/630,258.92
  6. Step 6: Final answer
    x = 280,540.24

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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.