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Finding the Fourth Proportional to 466,246.20, 699,369.30 and 430,476.60

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Solution

The fourth proportional to 466,246.20, 699,369.30 and 430,476.60 is: 645,714.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,246.20 : 699,369.30 = 430,476.60 : x
  2. Step 2: Convert to fraction form
    466,246.20/699,369.30 = 430,476.60/x
  3. Step 3: Cross multiply
    466,246.20x = 699,369.30 × 430,476.60
  4. Step 4: Simplify right side
    466,246.20x = 301,062,118,408.38
  5. Step 5: Solve for x
    x = 301,062,118,408.38/466,246.20
  6. Step 6: Final answer
    x = 645,714.90

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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.