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Finding the Fourth Proportional to 245,446.43, 368,174.24 and 76,963.06

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Solution

The fourth proportional to 245,446.43, 368,174.24 and 76,963.06 is: 115,446.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,446.43 : 368,174.24 = 76,963.06 : x
  2. Step 2: Convert to fraction form
    245,446.43/368,174.24 = 76,963.06/x
  3. Step 3: Cross multiply
    245,446.43x = 368,174.24 × 76,963.06
  4. Step 4: Simplify right side
    245,446.43x = 28,335,813,897.89
  5. Step 5: Solve for x
    x = 28,335,813,897.89/245,446.43
  6. Step 6: Final answer
    x = 115,446.02

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1.5x scale

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.