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Finding the Fourth Proportional to 536,233.60, 804,350.40 and 347,276.80

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Solution

The fourth proportional to 536,233.60, 804,350.40 and 347,276.80 is: 520,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,233.60 : 804,350.40 = 347,276.80 : x
  2. Step 2: Convert to fraction form
    536,233.60/804,350.40 = 347,276.80/x
  3. Step 3: Cross multiply
    536,233.60x = 804,350.40 × 347,276.80
  4. Step 4: Simplify right side
    536,233.60x = 279,332,232,990.72
  5. Step 5: Solve for x
    x = 279,332,232,990.72/536,233.60
  6. Step 6: Final answer
    x = 520,915.20

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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.