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Finding the Fourth Proportional to 317,359.48, 476,040.85 and 106,999.24

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Solution

The fourth proportional to 317,359.48, 476,040.85 and 106,999.24 is: 160,499.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,359.48 : 476,040.85 = 106,999.24 : x
  2. Step 2: Convert to fraction form
    317,359.48/476,040.85 = 106,999.24/x
  3. Step 3: Cross multiply
    317,359.48x = 476,040.85 × 106,999.24
  4. Step 4: Simplify right side
    317,359.48x = 50,936,009,158.95
  5. Step 5: Solve for x
    x = 50,936,009,158.95/317,359.48
  6. Step 6: Final answer
    x = 160,499.41

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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.