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Finding the Fourth Proportional to 300,553.32, 450,114.42 and 173,926.64

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Solution

The fourth proportional to 300,553.32, 450,114.42 and 173,926.64 is: 260,475.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,553.32 : 450,114.42 = 173,926.64 : x
  2. Step 2: Convert to fraction form
    300,553.32/450,114.42 = 173,926.64/x
  3. Step 3: Cross multiply
    300,553.32x = 450,114.42 × 173,926.64
  4. Step 4: Simplify right side
    300,553.32x = 78,286,888,686.15
  5. Step 5: Solve for x
    x = 78,286,888,686.15/300,553.32
  6. Step 6: Final answer
    x = 260,475.87

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1.5x scale

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.