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Finding the Fourth Proportional to 240,730.12, 360,826.24 and 212,717.08

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Solution

The fourth proportional to 240,730.12, 360,826.24 and 212,717.08 is: 318,837.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,730.12 : 360,826.24 = 212,717.08 : x
  2. Step 2: Convert to fraction form
    240,730.12/360,826.24 = 212,717.08/x
  3. Step 3: Cross multiply
    240,730.12x = 360,826.24 × 212,717.08
  4. Step 4: Simplify right side
    240,730.12x = 76,753,904,160.18
  5. Step 5: Solve for x
    x = 76,753,904,160.18/240,730.12
  6. Step 6: Final answer
    x = 318,837.98

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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.