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Finding the Fourth Proportional to 491,261.40, 736,892.10 and 241,891.80

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Solution

The fourth proportional to 491,261.40, 736,892.10 and 241,891.80 is: 362,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,261.40 : 736,892.10 = 241,891.80 : x
  2. Step 2: Convert to fraction form
    491,261.40/736,892.10 = 241,891.80/x
  3. Step 3: Cross multiply
    491,261.40x = 736,892.10 × 241,891.80
  4. Step 4: Simplify right side
    491,261.40x = 178,248,156,474.78
  5. Step 5: Solve for x
    x = 178,248,156,474.78/491,261.40
  6. Step 6: Final answer
    x = 362,837.70

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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.