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Finding the Fourth Proportional to 466,288.80, 699,433.20 and 170,762.40

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Solution

The fourth proportional to 466,288.80, 699,433.20 and 170,762.40 is: 256,143.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,288.80 : 699,433.20 = 170,762.40 : x
  2. Step 2: Convert to fraction form
    466,288.80/699,433.20 = 170,762.40/x
  3. Step 3: Cross multiply
    466,288.80x = 699,433.20 × 170,762.40
  4. Step 4: Simplify right side
    466,288.80x = 119,436,891,871.68
  5. Step 5: Solve for x
    x = 119,436,891,871.68/466,288.80
  6. Step 6: Final answer
    x = 256,143.60

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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.