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Finding the Fourth Proportional to 474,310.32, 711,589.68 and 141,886.32

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Solution

The fourth proportional to 474,310.32, 711,589.68 and 141,886.32 is: 212,866.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,310.32 : 711,589.68 = 141,886.32 : x
  2. Step 2: Convert to fraction form
    474,310.32/711,589.68 = 141,886.32/x
  3. Step 3: Cross multiply
    474,310.32x = 711,589.68 × 141,886.32
  4. Step 4: Simplify right side
    474,310.32x = 100,964,841,045.18
  5. Step 5: Solve for x
    x = 100,964,841,045.18/474,310.32
  6. Step 6: Final answer
    x = 212,866.63

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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.