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Finding the Fourth Proportional to 370,065.54, 510,702.81 and 226,797.90

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Solution

The fourth proportional to 370,065.54, 510,702.81 and 226,797.90 is: 312,988.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,065.54 : 510,702.81 = 226,797.90 : x
  2. Step 2: Convert to fraction form
    370,065.54/510,702.81 = 226,797.90/x
  3. Step 3: Cross multiply
    370,065.54x = 510,702.81 × 226,797.90
  4. Step 4: Simplify right side
    370,065.54x = 115,826,324,832.10
  5. Step 5: Solve for x
    x = 115,826,324,832.10/370,065.54
  6. Step 6: Final answer
    x = 312,988.68

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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.