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Finding the Fourth Proportional to 624,968.48, 862,460.52 and 338,492

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Solution

The fourth proportional to 624,968.48, 862,460.52 and 338,492 is: 467,121.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,968.48 : 862,460.52 = 338,492 : x
  2. Step 2: Convert to fraction form
    624,968.48/862,460.52 = 338,492/x
  3. Step 3: Cross multiply
    624,968.48x = 862,460.52 × 338,492
  4. Step 4: Simplify right side
    624,968.48x = 291,935,986,335.84
  5. Step 5: Solve for x
    x = 291,935,986,335.84/624,968.48
  6. Step 6: Final answer
    x = 467,121.14

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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.