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Finding the Fourth Proportional to 573,805.10, 791,848.93 and 319,156.29

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Solution

The fourth proportional to 573,805.10, 791,848.93 and 319,156.29 is: 440,434.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,805.10 : 791,848.93 = 319,156.29 : x
  2. Step 2: Convert to fraction form
    573,805.10/791,848.93 = 319,156.29/x
  3. Step 3: Cross multiply
    573,805.10x = 791,848.93 × 319,156.29
  4. Step 4: Simplify right side
    573,805.10x = 252,723,566,739.27
  5. Step 5: Solve for x
    x = 252,723,566,739.27/573,805.10
  6. Step 6: Final answer
    x = 440,434.51

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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.