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Finding the Fourth Proportional to 497,008.40, 745,512.60 and 164,584.40

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Solution

The fourth proportional to 497,008.40, 745,512.60 and 164,584.40 is: 246,876.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,008.40 : 745,512.60 = 164,584.40 : x
  2. Step 2: Convert to fraction form
    497,008.40/745,512.60 = 164,584.40/x
  3. Step 3: Cross multiply
    497,008.40x = 745,512.60 × 164,584.40
  4. Step 4: Simplify right side
    497,008.40x = 122,699,743,963.44
  5. Step 5: Solve for x
    x = 122,699,743,963.44/497,008.40
  6. Step 6: Final answer
    x = 246,876.60

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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.