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Finding the Fourth Proportional to 408,702.30, 564,000.30 and 236,627.52

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Solution

The fourth proportional to 408,702.30, 564,000.30 and 236,627.52 is: 326,540.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,702.30 : 564,000.30 = 236,627.52 : x
  2. Step 2: Convert to fraction form
    408,702.30/564,000.30 = 236,627.52/x
  3. Step 3: Cross multiply
    408,702.30x = 564,000.30 × 236,627.52
  4. Step 4: Simplify right side
    408,702.30x = 133,457,992,268.26
  5. Step 5: Solve for x
    x = 133,457,992,268.26/408,702.30
  6. Step 6: Final answer
    x = 326,540.84

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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.