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Finding the Fourth Proportional to 341,887.65, 512,853.34 and 131,525.58

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Solution

The fourth proportional to 341,887.65, 512,853.34 and 131,525.58 is: 197,296.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,887.65 : 512,853.34 = 131,525.58 : x
  2. Step 2: Convert to fraction form
    341,887.65/512,853.34 = 131,525.58/x
  3. Step 3: Cross multiply
    341,887.65x = 512,853.34 × 131,525.58
  4. Step 4: Simplify right side
    341,887.65x = 67,453,332,340.81
  5. Step 5: Solve for x
    x = 67,453,332,340.81/341,887.65
  6. Step 6: Final answer
    x = 197,296.78

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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.