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Finding the Fourth Proportional to 592,937.51, 818,248.07 and 320,998.43

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Solution

The fourth proportional to 592,937.51, 818,248.07 and 320,998.43 is: 442,974.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,937.51 : 818,248.07 = 320,998.43 : x
  2. Step 2: Convert to fraction form
    592,937.51/818,248.07 = 320,998.43/x
  3. Step 3: Cross multiply
    592,937.51x = 818,248.07 × 320,998.43
  4. Step 4: Simplify right side
    592,937.51x = 262,656,340,124.30
  5. Step 5: Solve for x
    x = 262,656,340,124.30/592,937.51
  6. Step 6: Final answer
    x = 442,974.75

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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.