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Finding the Fourth Proportional to 466,061.40, 642,480.12 and 329,675.22

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Solution

The fourth proportional to 466,061.40, 642,480.12 and 329,675.22 is: 454,467.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,061.40 : 642,480.12 = 329,675.22 : x
  2. Step 2: Convert to fraction form
    466,061.40/642,480.12 = 329,675.22/x
  3. Step 3: Cross multiply
    466,061.40x = 642,480.12 × 329,675.22
  4. Step 4: Simplify right side
    466,061.40x = 211,809,774,906.63
  5. Step 5: Solve for x
    x = 211,809,774,906.63/466,061.40
  6. Step 6: Final answer
    x = 454,467.53

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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.