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Finding the Fourth Proportional to 567,279.60, 850,919.40 and 520,040.40

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Solution

The fourth proportional to 567,279.60, 850,919.40 and 520,040.40 is: 780,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,279.60 : 850,919.40 = 520,040.40 : x
  2. Step 2: Convert to fraction form
    567,279.60/850,919.40 = 520,040.40/x
  3. Step 3: Cross multiply
    567,279.60x = 850,919.40 × 520,040.40
  4. Step 4: Simplify right side
    567,279.60x = 442,512,465,143.76
  5. Step 5: Solve for x
    x = 442,512,465,143.76/567,279.60
  6. Step 6: Final answer
    x = 780,060.60

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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.