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Finding the Fourth Proportional to 556,631.68, 768,151.20 and 301,983.88

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Solution

The fourth proportional to 556,631.68, 768,151.20 and 301,983.88 is: 416,737.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,631.68 : 768,151.20 = 301,983.88 : x
  2. Step 2: Convert to fraction form
    556,631.68/768,151.20 = 301,983.88/x
  3. Step 3: Cross multiply
    556,631.68x = 768,151.20 × 301,983.88
  4. Step 4: Simplify right side
    556,631.68x = 231,969,279,802.66
  5. Step 5: Solve for x
    x = 231,969,279,802.66/556,631.68
  6. Step 6: Final answer
    x = 416,737.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.