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Finding the Fourth Proportional to 575,241.60, 862,862.39 and 220,255.61

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Solution

The fourth proportional to 575,241.60, 862,862.39 and 220,255.61 is: 330,383.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,241.60 : 862,862.39 = 220,255.61 : x
  2. Step 2: Convert to fraction form
    575,241.60/862,862.39 = 220,255.61/x
  3. Step 3: Cross multiply
    575,241.60x = 862,862.39 × 220,255.61
  4. Step 4: Simplify right side
    575,241.60x = 190,050,277,465.88
  5. Step 5: Solve for x
    x = 190,050,277,465.88/575,241.60
  6. Step 6: Final answer
    x = 330,383.40

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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.