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Finding the Fourth Proportional to 559,116.68, 771,589.80 and 304,467.66

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Solution

The fourth proportional to 559,116.68, 771,589.80 and 304,467.66 is: 420,170.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,116.68 : 771,589.80 = 304,467.66 : x
  2. Step 2: Convert to fraction form
    559,116.68/771,589.80 = 304,467.66/x
  3. Step 3: Cross multiply
    559,116.68x = 771,589.80 × 304,467.66
  4. Step 4: Simplify right side
    559,116.68x = 234,924,140,885.87
  5. Step 5: Solve for x
    x = 234,924,140,885.87/559,116.68
  6. Step 6: Final answer
    x = 420,170.16

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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.