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Finding the Fourth Proportional to 573,902, 791,991.37 and 328,881.90

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Solution

The fourth proportional to 573,902, 791,991.37 and 328,881.90 is: 453,860.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,902 : 791,991.37 = 328,881.90 : x
  2. Step 2: Convert to fraction form
    573,902/791,991.37 = 328,881.90/x
  3. Step 3: Cross multiply
    573,902x = 791,991.37 × 328,881.90
  4. Step 4: Simplify right side
    573,902x = 260,471,626,549.20
  5. Step 5: Solve for x
    x = 260,471,626,549.20/573,902
  6. Step 6: Final answer
    x = 453,860.81

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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.