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Finding the Fourth Proportional to 629,590.07, 868,808.95 and 343,104.01

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Solution

The fourth proportional to 629,590.07, 868,808.95 and 343,104.01 is: 473,469.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,590.07 : 868,808.95 = 343,104.01 : x
  2. Step 2: Convert to fraction form
    629,590.07/868,808.95 = 343,104.01/x
  3. Step 3: Cross multiply
    629,590.07x = 868,808.95 × 343,104.01
  4. Step 4: Simplify right side
    629,590.07x = 298,091,833,569.07
  5. Step 5: Solve for x
    x = 298,091,833,569.07/629,590.07
  6. Step 6: Final answer
    x = 473,469.72

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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.