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Finding the Fourth Proportional to 456,834.87, 630,424.46 and 252,881.43

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Solution

The fourth proportional to 456,834.87, 630,424.46 and 252,881.43 is: 348,972.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,834.87 : 630,424.46 = 252,881.43 : x
  2. Step 2: Convert to fraction form
    456,834.87/630,424.46 = 252,881.43/x
  3. Step 3: Cross multiply
    456,834.87x = 630,424.46 × 252,881.43
  4. Step 4: Simplify right side
    456,834.87x = 159,422,637,687.37
  5. Step 5: Solve for x
    x = 159,422,637,687.37/456,834.87
  6. Step 6: Final answer
    x = 348,972.13

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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.