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Finding the Fourth Proportional to 573,714.56, 791,714.84 and 319,060.28

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Solution

The fourth proportional to 573,714.56, 791,714.84 and 319,060.28 is: 440,296.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,714.56 : 791,714.84 = 319,060.28 : x
  2. Step 2: Convert to fraction form
    573,714.56/791,714.84 = 319,060.28/x
  3. Step 3: Cross multiply
    573,714.56x = 791,714.84 × 319,060.28
  4. Step 4: Simplify right side
    573,714.56x = 252,604,758,530.56
  5. Step 5: Solve for x
    x = 252,604,758,530.56/573,714.56
  6. Step 6: Final answer
    x = 440,296.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.