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Finding the Fourth Proportional to 341,188.32, 511,782.48 and 331,857.12

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Solution

The fourth proportional to 341,188.32, 511,782.48 and 331,857.12 is: 497,785.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,188.32 : 511,782.48 = 331,857.12 : x
  2. Step 2: Convert to fraction form
    341,188.32/511,782.48 = 331,857.12/x
  3. Step 3: Cross multiply
    341,188.32x = 511,782.48 × 331,857.12
  4. Step 4: Simplify right side
    341,188.32x = 169,838,659,879.26
  5. Step 5: Solve for x
    x = 169,838,659,879.26/341,188.32
  6. Step 6: Final answer
    x = 497,785.68

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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.