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Finding the Fourth Proportional to 272,851.80, 409,277.70 and 229,549.20

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Solution

The fourth proportional to 272,851.80, 409,277.70 and 229,549.20 is: 344,323.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,851.80 : 409,277.70 = 229,549.20 : x
  2. Step 2: Convert to fraction form
    272,851.80/409,277.70 = 229,549.20/x
  3. Step 3: Cross multiply
    272,851.80x = 409,277.70 × 229,549.20
  4. Step 4: Simplify right side
    272,851.80x = 93,949,368,612.84
  5. Step 5: Solve for x
    x = 93,949,368,612.84/272,851.80
  6. Step 6: Final answer
    x = 344,323.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.