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Finding the Fourth Proportional to 323,319.88, 446,102.75 and 212,927.12

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Solution

The fourth proportional to 323,319.88, 446,102.75 and 212,927.12 is: 293,787.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,319.88 : 446,102.75 = 212,927.12 : x
  2. Step 2: Convert to fraction form
    323,319.88/446,102.75 = 212,927.12/x
  3. Step 3: Cross multiply
    323,319.88x = 446,102.75 × 212,927.12
  4. Step 4: Simplify right side
    323,319.88x = 94,987,373,781.58
  5. Step 5: Solve for x
    x = 94,987,373,781.58/323,319.88
  6. Step 6: Final answer
    x = 293,787.61

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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.