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Finding the Fourth Proportional to 489,492.67, 675,570.24 and 271,751.32

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Solution

The fourth proportional to 489,492.67, 675,570.24 and 271,751.32 is: 375,055.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,492.67 : 675,570.24 = 271,751.32 : x
  2. Step 2: Convert to fraction form
    489,492.67/675,570.24 = 271,751.32/x
  3. Step 3: Cross multiply
    489,492.67x = 675,570.24 × 271,751.32
  4. Step 4: Simplify right side
    489,492.67x = 183,587,104,472.72
  5. Step 5: Solve for x
    x = 183,587,104,472.72/489,492.67
  6. Step 6: Final answer
    x = 375,055.88

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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.