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Finding the Fourth Proportional to 359,244.62, 538,922.28 and 122,532

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Solution

The fourth proportional to 359,244.62, 538,922.28 and 122,532 is: 183,816.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,244.62 : 538,922.28 = 122,532 : x
  2. Step 2: Convert to fraction form
    359,244.62/538,922.28 = 122,532/x
  3. Step 3: Cross multiply
    359,244.62x = 538,922.28 × 122,532
  4. Step 4: Simplify right side
    359,244.62x = 66,035,224,812.96
  5. Step 5: Solve for x
    x = 66,035,224,812.96/359,244.62
  6. Step 6: Final answer
    x = 183,816.88

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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.