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Finding the Fourth Proportional to 573,750.06, 791,763.75 and 319,095.78

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Solution

The fourth proportional to 573,750.06, 791,763.75 and 319,095.78 is: 440,345.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,750.06 : 791,763.75 = 319,095.78 : x
  2. Step 2: Convert to fraction form
    573,750.06/791,763.75 = 319,095.78/x
  3. Step 3: Cross multiply
    573,750.06x = 791,763.75 × 319,095.78
  4. Step 4: Simplify right side
    573,750.06x = 252,648,471,381.98
  5. Step 5: Solve for x
    x = 252,648,471,381.98/573,750.06
  6. Step 6: Final answer
    x = 440,345.87

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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.