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Finding the Fourth Proportional to 562,041.62, 775,262.85 and 392,213.78

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Solution

The fourth proportional to 562,041.62, 775,262.85 and 392,213.78 is: 541,007.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,041.62 : 775,262.85 = 392,213.78 : x
  2. Step 2: Convert to fraction form
    562,041.62/775,262.85 = 392,213.78/x
  3. Step 3: Cross multiply
    562,041.62x = 775,262.85 × 392,213.78
  4. Step 4: Simplify right side
    562,041.62x = 304,068,772,892.07
  5. Step 5: Solve for x
    x = 304,068,772,892.07/562,041.62
  6. Step 6: Final answer
    x = 541,007.57

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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.