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Finding the Fourth Proportional to 317,276.77, 475,665.54 and 157,242.75

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Solution

The fourth proportional to 317,276.77, 475,665.54 and 157,242.75 is: 235,740.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,276.77 : 475,665.54 = 157,242.75 : x
  2. Step 2: Convert to fraction form
    317,276.77/475,665.54 = 157,242.75/x
  3. Step 3: Cross multiply
    317,276.77x = 475,665.54 × 157,242.75
  4. Step 4: Simplify right side
    317,276.77x = 74,794,957,589.84
  5. Step 5: Solve for x
    x = 74,794,957,589.84/317,276.77
  6. Step 6: Final answer
    x = 235,740.42

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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.