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Finding the Fourth Proportional to 261,219.54, 360,522.37 and 159,304.12

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Solution

The fourth proportional to 261,219.54, 360,522.37 and 159,304.12 is: 219,863.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,219.54 : 360,522.37 = 159,304.12 : x
  2. Step 2: Convert to fraction form
    261,219.54/360,522.37 = 159,304.12/x
  3. Step 3: Cross multiply
    261,219.54x = 360,522.37 × 159,304.12
  4. Step 4: Simplify right side
    261,219.54x = 57,432,699,542.95
  5. Step 5: Solve for x
    x = 57,432,699,542.95/261,219.54
  6. Step 6: Final answer
    x = 219,863.72

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1.5x scale

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.