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Finding the Fourth Proportional to 316,801.40, 475,202.10 and 295,806.20

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Solution

The fourth proportional to 316,801.40, 475,202.10 and 295,806.20 is: 443,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,801.40 : 475,202.10 = 295,806.20 : x
  2. Step 2: Convert to fraction form
    316,801.40/475,202.10 = 295,806.20/x
  3. Step 3: Cross multiply
    316,801.40x = 475,202.10 × 295,806.20
  4. Step 4: Simplify right side
    316,801.40x = 140,567,727,433.02
  5. Step 5: Solve for x
    x = 140,567,727,433.02/316,801.40
  6. Step 6: Final answer
    x = 443,709.30

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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.