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Finding the Fourth Proportional to 462,925.19, 638,579.57 and 269,311.16

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Solution

The fourth proportional to 462,925.19, 638,579.57 and 269,311.16 is: 371,499.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,925.19 : 638,579.57 = 269,311.16 : x
  2. Step 2: Convert to fraction form
    462,925.19/638,579.57 = 269,311.16/x
  3. Step 3: Cross multiply
    462,925.19x = 638,579.57 × 269,311.16
  4. Step 4: Simplify right side
    462,925.19x = 171,976,604,998.89
  5. Step 5: Solve for x
    x = 171,976,604,998.89/462,925.19
  6. Step 6: Final answer
    x = 371,499.78

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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.