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Finding the Fourth Proportional to 522,082.80, 783,124.20 and 167,108.40

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Solution

The fourth proportional to 522,082.80, 783,124.20 and 167,108.40 is: 250,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,082.80 : 783,124.20 = 167,108.40 : x
  2. Step 2: Convert to fraction form
    522,082.80/783,124.20 = 167,108.40/x
  3. Step 3: Cross multiply
    522,082.80x = 783,124.20 × 167,108.40
  4. Step 4: Simplify right side
    522,082.80x = 130,866,632,063.28
  5. Step 5: Solve for x
    x = 130,866,632,063.28/522,082.80
  6. Step 6: Final answer
    x = 250,662.60

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Double scale
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Similar ratio
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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.