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Finding the Fourth Proportional to 625,949.29, 863,856.42 and 350,334.71

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Solution

The fourth proportional to 625,949.29, 863,856.42 and 350,334.71 is: 483,487.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,949.29 : 863,856.42 = 350,334.71 : x
  2. Step 2: Convert to fraction form
    625,949.29/863,856.42 = 350,334.71/x
  3. Step 3: Cross multiply
    625,949.29x = 863,856.42 × 350,334.71
  4. Step 4: Simplify right side
    625,949.29x = 302,638,882,311.38
  5. Step 5: Solve for x
    x = 302,638,882,311.38/625,949.29
  6. Step 6: Final answer
    x = 483,487.86

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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.