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Finding the Fourth Proportional to 497,721.60, 746,582.40 and 371,750.40

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Solution

The fourth proportional to 497,721.60, 746,582.40 and 371,750.40 is: 557,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,721.60 : 746,582.40 = 371,750.40 : x
  2. Step 2: Convert to fraction form
    497,721.60/746,582.40 = 371,750.40/x
  3. Step 3: Cross multiply
    497,721.60x = 746,582.40 × 371,750.40
  4. Step 4: Simplify right side
    497,721.60x = 277,542,305,832.96
  5. Step 5: Solve for x
    x = 277,542,305,832.96/497,721.60
  6. Step 6: Final answer
    x = 557,625.60

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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.