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Finding the Fourth Proportional to 408,883.30, 564,246.39 and 227,590.58

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Solution

The fourth proportional to 408,883.30, 564,246.39 and 227,590.58 is: 314,068.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,883.30 : 564,246.39 = 227,590.58 : x
  2. Step 2: Convert to fraction form
    408,883.30/564,246.39 = 227,590.58/x
  3. Step 3: Cross multiply
    408,883.30x = 564,246.39 × 227,590.58
  4. Step 4: Simplify right side
    408,883.30x = 128,417,163,163.01
  5. Step 5: Solve for x
    x = 128,417,163,163.01/408,883.30
  6. Step 6: Final answer
    x = 314,068.01

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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.