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Finding the Fourth Proportional to 503,182.08, 694,490.52 and 288,466.32

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Solution

The fourth proportional to 503,182.08, 694,490.52 and 288,466.32 is: 398,140.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,182.08 : 694,490.52 = 288,466.32 : x
  2. Step 2: Convert to fraction form
    503,182.08/694,490.52 = 288,466.32/x
  3. Step 3: Cross multiply
    503,182.08x = 694,490.52 × 288,466.32
  4. Step 4: Simplify right side
    503,182.08x = 200,337,124,579.29
  5. Step 5: Solve for x
    x = 200,337,124,579.29/503,182.08
  6. Step 6: Final answer
    x = 398,140.42

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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.