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Finding the Fourth Proportional to 615,847.92, 923,934.60 and 260,874.96

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Solution

The fourth proportional to 615,847.92, 923,934.60 and 260,874.96 is: 391,381.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,847.92 : 923,934.60 = 260,874.96 : x
  2. Step 2: Convert to fraction form
    615,847.92/923,934.60 = 260,874.96/x
  3. Step 3: Cross multiply
    615,847.92x = 923,934.60 × 260,874.96
  4. Step 4: Simplify right side
    615,847.92x = 241,031,401,817.62
  5. Step 5: Solve for x
    x = 241,031,401,817.62/615,847.92
  6. Step 6: Final answer
    x = 391,381.37

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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.