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Finding the Fourth Proportional to 629,584.89, 868,801.84 and 343,098.82

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Solution

The fourth proportional to 629,584.89, 868,801.84 and 343,098.82 is: 473,462.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,584.89 : 868,801.84 = 343,098.82 : x
  2. Step 2: Convert to fraction form
    629,584.89/868,801.84 = 343,098.82/x
  3. Step 3: Cross multiply
    629,584.89x = 868,801.84 × 343,098.82
  4. Step 4: Simplify right side
    629,584.89x = 298,084,886,117.83
  5. Step 5: Solve for x
    x = 298,084,886,117.83/629,584.89
  6. Step 6: Final answer
    x = 473,462.58

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1.5x scale

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.