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Finding the Fourth Proportional to 592,638.01, 817,834.22 and 320,699.95

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Solution

The fourth proportional to 592,638.01, 817,834.22 and 320,699.95 is: 442,562.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,638.01 : 817,834.22 = 320,699.95 : x
  2. Step 2: Convert to fraction form
    592,638.01/817,834.22 = 320,699.95/x
  3. Step 3: Cross multiply
    592,638.01x = 817,834.22 × 320,699.95
  4. Step 4: Simplify right side
    592,638.01x = 262,279,391,016.83
  5. Step 5: Solve for x
    x = 262,279,391,016.83/592,638.01
  6. Step 6: Final answer
    x = 442,562.56

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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.