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Finding the Fourth Proportional to 219,247.97, 328,920.62 and 69,497.19

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Solution

The fourth proportional to 219,247.97, 328,920.62 and 69,497.19 is: 104,261.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,247.97 : 328,920.62 = 69,497.19 : x
  2. Step 2: Convert to fraction form
    219,247.97/328,920.62 = 69,497.19/x
  3. Step 3: Cross multiply
    219,247.97x = 328,920.62 × 69,497.19
  4. Step 4: Simplify right side
    219,247.97x = 22,859,058,475.57
  5. Step 5: Solve for x
    x = 22,859,058,475.57/219,247.97
  6. Step 6: Final answer
    x = 104,261.21

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1.5x scale

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.