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Finding the Fourth Proportional to 632,872.32, 873,360.60 and 342,483.66

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Solution

The fourth proportional to 632,872.32, 873,360.60 and 342,483.66 is: 472,625.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,872.32 : 873,360.60 = 342,483.66 : x
  2. Step 2: Convert to fraction form
    632,872.32/873,360.60 = 342,483.66/x
  3. Step 3: Cross multiply
    632,872.32x = 873,360.60 × 342,483.66
  4. Step 4: Simplify right side
    632,872.32x = 299,111,734,787.80
  5. Step 5: Solve for x
    x = 299,111,734,787.80/632,872.32
  6. Step 6: Final answer
    x = 472,625.72

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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.