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Finding the Fourth Proportional to 416,124.28, 574,108.86 and 234,813.88

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Solution

The fourth proportional to 416,124.28, 574,108.86 and 234,813.88 is: 323,962.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,124.28 : 574,108.86 = 234,813.88 : x
  2. Step 2: Convert to fraction form
    416,124.28/574,108.86 = 234,813.88/x
  3. Step 3: Cross multiply
    416,124.28x = 574,108.86 × 234,813.88
  4. Step 4: Simplify right side
    416,124.28x = 134,808,728,958.98
  5. Step 5: Solve for x
    x = 134,808,728,958.98/416,124.28
  6. Step 6: Final answer
    x = 323,962.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.