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Finding the Fourth Proportional to 805,398.29, 1,111,470.68 and 437,900.14

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Solution

The fourth proportional to 805,398.29, 1,111,470.68 and 437,900.14 is: 604,313.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,398.29 : 1,111,470.68 = 437,900.14 : x
  2. Step 2: Convert to fraction form
    805,398.29/1,111,470.68 = 437,900.14/x
  3. Step 3: Cross multiply
    805,398.29x = 1,111,470.68 × 437,900.14
  4. Step 4: Simplify right side
    805,398.29x = 486,713,166,377.90
  5. Step 5: Solve for x
    x = 486,713,166,377.90/805,398.29
  6. Step 6: Final answer
    x = 604,313.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.