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Finding the Fourth Proportional to 572,591.20, 858,886.80 and 360,014.80

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Solution

The fourth proportional to 572,591.20, 858,886.80 and 360,014.80 is: 540,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,591.20 : 858,886.80 = 360,014.80 : x
  2. Step 2: Convert to fraction form
    572,591.20/858,886.80 = 360,014.80/x
  3. Step 3: Cross multiply
    572,591.20x = 858,886.80 × 360,014.80
  4. Step 4: Simplify right side
    572,591.20x = 309,211,959,524.64
  5. Step 5: Solve for x
    x = 309,211,959,524.64/572,591.20
  6. Step 6: Final answer
    x = 540,022.20

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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.