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Finding the Fourth Proportional to 322,992, 484,492.32 and 101,376

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Solution

The fourth proportional to 322,992, 484,492.32 and 101,376 is: 152,065.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,992 : 484,492.32 = 101,376 : x
  2. Step 2: Convert to fraction form
    322,992/484,492.32 = 101,376/x
  3. Step 3: Cross multiply
    322,992x = 484,492.32 × 101,376
  4. Step 4: Simplify right side
    322,992x = 49,115,893,432.32
  5. Step 5: Solve for x
    x = 49,115,893,432.32/322,992
  6. Step 6: Final answer
    x = 152,065.36

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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.