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Finding the Fourth Proportional to 384,560.16, 576,431.76 and 226,862.88

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Solution

The fourth proportional to 384,560.16, 576,431.76 and 226,862.88 is: 340,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,560.16 : 576,431.76 = 226,862.88 : x
  2. Step 2: Convert to fraction form
    384,560.16/576,431.76 = 226,862.88/x
  3. Step 3: Cross multiply
    384,560.16x = 576,431.76 × 226,862.88
  4. Step 4: Simplify right side
    384,560.16x = 130,770,969,197.07
  5. Step 5: Solve for x
    x = 130,770,969,197.07/384,560.16
  6. Step 6: Final answer
    x = 340,053.35

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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.