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Finding the Fourth Proportional to 504,042.30, 756,197.10 and 219,610.80

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Solution

The fourth proportional to 504,042.30, 756,197.10 and 219,610.80 is: 329,474.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,042.30 : 756,197.10 = 219,610.80 : x
  2. Step 2: Convert to fraction form
    504,042.30/756,197.10 = 219,610.80/x
  3. Step 3: Cross multiply
    504,042.30x = 756,197.10 × 219,610.80
  4. Step 4: Simplify right side
    504,042.30x = 166,069,050,088.68
  5. Step 5: Solve for x
    x = 166,069,050,088.68/504,042.30
  6. Step 6: Final answer
    x = 329,474.43

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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.