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Finding the Fourth Proportional to 379,956.45, 570,586.68 and 337,358.15

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Solution

The fourth proportional to 379,956.45, 570,586.68 and 337,358.15 is: 506,616.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,956.45 : 570,586.68 = 337,358.15 : x
  2. Step 2: Convert to fraction form
    379,956.45/570,586.68 = 337,358.15/x
  3. Step 3: Cross multiply
    379,956.45x = 570,586.68 × 337,358.15
  4. Step 4: Simplify right side
    379,956.45x = 192,492,066,066.21
  5. Step 5: Solve for x
    x = 192,492,066,066.21/379,956.45
  6. Step 6: Final answer
    x = 506,616.12

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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.