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Finding the Fourth Proportional to 331,330.65, 497,174.36 and 131,652.84

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Solution

The fourth proportional to 331,330.65, 497,174.36 and 131,652.84 is: 197,550.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,330.65 : 497,174.36 = 131,652.84 : x
  2. Step 2: Convert to fraction form
    331,330.65/497,174.36 = 131,652.84/x
  3. Step 3: Cross multiply
    331,330.65x = 497,174.36 × 131,652.84
  4. Step 4: Simplify right side
    331,330.65x = 65,454,417,675.32
  5. Step 5: Solve for x
    x = 65,454,417,675.32/331,330.65
  6. Step 6: Final answer
    x = 197,550.14

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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.