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Finding the Fourth Proportional to 478,780.88, 718,093.18 and 226,060.88

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Solution

The fourth proportional to 478,780.88, 718,093.18 and 226,060.88 is: 339,054.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,780.88 : 718,093.18 = 226,060.88 : x
  2. Step 2: Convert to fraction form
    478,780.88/718,093.18 = 226,060.88/x
  3. Step 3: Cross multiply
    478,780.88x = 718,093.18 × 226,060.88
  4. Step 4: Simplify right side
    478,780.88x = 162,332,776,192.80
  5. Step 5: Solve for x
    x = 162,332,776,192.80/478,780.88
  6. Step 6: Final answer
    x = 339,054.43

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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.