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Finding the Fourth Proportional to 359,566.60, 538,508.94 and 284,180.80

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Solution

The fourth proportional to 359,566.60, 538,508.94 and 284,180.80 is: 425,606.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,566.60 : 538,508.94 = 284,180.80 : x
  2. Step 2: Convert to fraction form
    359,566.60/538,508.94 = 284,180.80/x
  3. Step 3: Cross multiply
    359,566.60x = 538,508.94 × 284,180.80
  4. Step 4: Simplify right side
    359,566.60x = 153,033,901,376.35
  5. Step 5: Solve for x
    x = 153,033,901,376.35/359,566.60
  6. Step 6: Final answer
    x = 425,606.55

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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.