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Finding the Fourth Proportional to 341,686.20, 512,529.30 and 173,724.60

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Solution

The fourth proportional to 341,686.20, 512,529.30 and 173,724.60 is: 260,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,686.20 : 512,529.30 = 173,724.60 : x
  2. Step 2: Convert to fraction form
    341,686.20/512,529.30 = 173,724.60/x
  3. Step 3: Cross multiply
    341,686.20x = 512,529.30 × 173,724.60
  4. Step 4: Simplify right side
    341,686.20x = 89,038,947,630.78
  5. Step 5: Solve for x
    x = 89,038,947,630.78/341,686.20
  6. Step 6: Final answer
    x = 260,586.90

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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.