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Finding the Fourth Proportional to 460,614.79, 635,357.68 and 317,125.72

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Solution

The fourth proportional to 460,614.79, 635,357.68 and 317,125.72 is: 437,433.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,614.79 : 635,357.68 = 317,125.72 : x
  2. Step 2: Convert to fraction form
    460,614.79/635,357.68 = 317,125.72/x
  3. Step 3: Cross multiply
    460,614.79x = 635,357.68 × 317,125.72
  4. Step 4: Simplify right side
    460,614.79x = 201,488,261,727.53
  5. Step 5: Solve for x
    x = 201,488,261,727.53/460,614.79
  6. Step 6: Final answer
    x = 437,433.33

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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.