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Finding the Fourth Proportional to 316,869.40, 475,304.10 and 295,874.20

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Solution

The fourth proportional to 316,869.40, 475,304.10 and 295,874.20 is: 443,811.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,869.40 : 475,304.10 = 295,874.20 : x
  2. Step 2: Convert to fraction form
    316,869.40/475,304.10 = 295,874.20/x
  3. Step 3: Cross multiply
    316,869.40x = 475,304.10 × 295,874.20
  4. Step 4: Simplify right side
    316,869.40x = 140,630,220,344.22
  5. Step 5: Solve for x
    x = 140,630,220,344.22/316,869.40
  6. Step 6: Final answer
    x = 443,811.30

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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.