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Finding the Fourth Proportional to 382,333.79, 527,611.96 and 207,900.19

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Solution

The fourth proportional to 382,333.79, 527,611.96 and 207,900.19 is: 286,897.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,333.79 : 527,611.96 = 207,900.19 : x
  2. Step 2: Convert to fraction form
    382,333.79/527,611.96 = 207,900.19/x
  3. Step 3: Cross multiply
    382,333.79x = 527,611.96 × 207,900.19
  4. Step 4: Simplify right side
    382,333.79x = 109,690,626,730.27
  5. Step 5: Solve for x
    x = 109,690,626,730.27/382,333.79
  6. Step 6: Final answer
    x = 286,897.55

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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.