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Finding the Fourth Proportional to 522,301.60, 783,452.40 and 256,232.80

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Solution

The fourth proportional to 522,301.60, 783,452.40 and 256,232.80 is: 384,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,301.60 : 783,452.40 = 256,232.80 : x
  2. Step 2: Convert to fraction form
    522,301.60/783,452.40 = 256,232.80/x
  3. Step 3: Cross multiply
    522,301.60x = 783,452.40 × 256,232.80
  4. Step 4: Simplify right side
    522,301.60x = 200,746,202,118.72
  5. Step 5: Solve for x
    x = 200,746,202,118.72/522,301.60
  6. Step 6: Final answer
    x = 384,349.20

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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.