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Finding the Fourth Proportional to 317,028.12, 475,609.32 and 117,350.16

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Solution

The fourth proportional to 317,028.12, 475,609.32 and 117,350.16 is: 176,050.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,028.12 : 475,609.32 = 117,350.16 : x
  2. Step 2: Convert to fraction form
    317,028.12/475,609.32 = 117,350.16/x
  3. Step 3: Cross multiply
    317,028.12x = 475,609.32 × 117,350.16
  4. Step 4: Simplify right side
    317,028.12x = 55,812,829,799.49
  5. Step 5: Solve for x
    x = 55,812,829,799.49/317,028.12
  6. Step 6: Final answer
    x = 176,050.09

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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.