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Finding the Fourth Proportional to 467,535.60, 645,044.40 and 263,561.40

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Solution

The fourth proportional to 467,535.60, 645,044.40 and 263,561.40 is: 363,627.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,535.60 : 645,044.40 = 263,561.40 : x
  2. Step 2: Convert to fraction form
    467,535.60/645,044.40 = 263,561.40/x
  3. Step 3: Cross multiply
    467,535.60x = 645,044.40 × 263,561.40
  4. Step 4: Simplify right side
    467,535.60x = 170,008,805,126.16
  5. Step 5: Solve for x
    x = 170,008,805,126.16/467,535.60
  6. Step 6: Final answer
    x = 363,627.51

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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.