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Finding the Fourth Proportional to 318,382.92, 477,152.28 and 233,747.28

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Solution

The fourth proportional to 318,382.92, 477,152.28 and 233,747.28 is: 350,311.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,382.92 : 477,152.28 = 233,747.28 : x
  2. Step 2: Convert to fraction form
    318,382.92/477,152.28 = 233,747.28/x
  3. Step 3: Cross multiply
    318,382.92x = 477,152.28 × 233,747.28
  4. Step 4: Simplify right side
    318,382.92x = 111,533,047,595.80
  5. Step 5: Solve for x
    x = 111,533,047,595.80/318,382.92
  6. Step 6: Final answer
    x = 350,311.03

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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.