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Finding the Fourth Proportional to 632,728.39, 873,165.18 and 346,248.58

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Solution

The fourth proportional to 632,728.39, 873,165.18 and 346,248.58 is: 477,823.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,728.39 : 873,165.18 = 346,248.58 : x
  2. Step 2: Convert to fraction form
    632,728.39/873,165.18 = 346,248.58/x
  3. Step 3: Cross multiply
    632,728.39x = 873,165.18 × 346,248.58
  4. Step 4: Simplify right side
    632,728.39x = 302,332,203,680.44
  5. Step 5: Solve for x
    x = 302,332,203,680.44/632,728.39
  6. Step 6: Final answer
    x = 477,823.04

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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.