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Finding the Fourth Proportional to 491,250.40, 736,875.52 and 136,264.42

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Solution

The fourth proportional to 491,250.40, 736,875.52 and 136,264.42 is: 204,396.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,250.40 : 736,875.52 = 136,264.42 : x
  2. Step 2: Convert to fraction form
    491,250.40/736,875.52 = 136,264.42/x
  3. Step 3: Cross multiply
    491,250.40x = 736,875.52 × 136,264.42
  4. Step 4: Simplify right side
    491,250.40x = 100,409,915,345.00
  5. Step 5: Solve for x
    x = 100,409,915,345.00/491,250.40
  6. Step 6: Final answer
    x = 204,396.61

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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.