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Finding the Fourth Proportional to 317,354.10, 476,149.65 and 127,868.22

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Solution

The fourth proportional to 317,354.10, 476,149.65 and 127,868.22 is: 191,850.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,354.10 : 476,149.65 = 127,868.22 : x
  2. Step 2: Convert to fraction form
    317,354.10/476,149.65 = 127,868.22/x
  3. Step 3: Cross multiply
    317,354.10x = 476,149.65 × 127,868.22
  4. Step 4: Simplify right side
    317,354.10x = 60,884,407,719.62
  5. Step 5: Solve for x
    x = 60,884,407,719.62/317,354.10
  6. Step 6: Final answer
    x = 191,850.08

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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.