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Finding the Fourth Proportional to 491,250.51, 736,875.72 and 136,264.55

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Solution

The fourth proportional to 491,250.51, 736,875.72 and 136,264.55 is: 204,396.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,250.51 : 736,875.72 = 136,264.55 : x
  2. Step 2: Convert to fraction form
    491,250.51/736,875.72 = 136,264.55/x
  3. Step 3: Cross multiply
    491,250.51x = 736,875.72 × 136,264.55
  4. Step 4: Simplify right side
    491,250.51x = 100,410,034,707.35
  5. Step 5: Solve for x
    x = 100,410,034,707.35/491,250.51
  6. Step 6: Final answer
    x = 204,396.81

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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.