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Finding the Fourth Proportional to 359,664.10, 538,803.70 and 224,780.87

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Solution

The fourth proportional to 359,664.10, 538,803.70 and 224,780.87 is: 336,738.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,664.10 : 538,803.70 = 224,780.87 : x
  2. Step 2: Convert to fraction form
    359,664.10/538,803.70 = 224,780.87/x
  3. Step 3: Cross multiply
    359,664.10x = 538,803.70 × 224,780.87
  4. Step 4: Simplify right side
    359,664.10x = 121,112,765,230.28
  5. Step 5: Solve for x
    x = 121,112,765,230.28/359,664.10
  6. Step 6: Final answer
    x = 336,738.55

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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.