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Finding the Fourth Proportional to 578,843.20, 868,264.80 and 241,825.60

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Solution

The fourth proportional to 578,843.20, 868,264.80 and 241,825.60 is: 362,738.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,843.20 : 868,264.80 = 241,825.60 : x
  2. Step 2: Convert to fraction form
    578,843.20/868,264.80 = 241,825.60/x
  3. Step 3: Cross multiply
    578,843.20x = 868,264.80 × 241,825.60
  4. Step 4: Simplify right side
    578,843.20x = 209,968,656,218.88
  5. Step 5: Solve for x
    x = 209,968,656,218.88/578,843.20
  6. Step 6: Final answer
    x = 362,738.40

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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.