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Finding the Fourth Proportional to 629,373.53, 868,527.36 and 342,893.84

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Solution

The fourth proportional to 629,373.53, 868,527.36 and 342,893.84 is: 473,189.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,373.53 : 868,527.36 = 342,893.84 : x
  2. Step 2: Convert to fraction form
    629,373.53/868,527.36 = 342,893.84/x
  3. Step 3: Cross multiply
    629,373.53x = 868,527.36 × 342,893.84
  4. Step 4: Simplify right side
    629,373.53x = 297,812,677,272.83
  5. Step 5: Solve for x
    x = 297,812,677,272.83/629,373.53
  6. Step 6: Final answer
    x = 473,189.08

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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.