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Finding the Fourth Proportional to 291,045.80, 435,868.32 and 197,267.24

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Solution

The fourth proportional to 291,045.80, 435,868.32 and 197,267.24 is: 295,426.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,045.80 : 435,868.32 = 197,267.24 : x
  2. Step 2: Convert to fraction form
    291,045.80/435,868.32 = 197,267.24/x
  3. Step 3: Cross multiply
    291,045.80x = 435,868.32 × 197,267.24
  4. Step 4: Simplify right side
    291,045.80x = 85,982,540,489.84
  5. Step 5: Solve for x
    x = 85,982,540,489.84/291,045.80
  6. Step 6: Final answer
    x = 295,426.15

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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.