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Finding the Fourth Proportional to 586,914.40, 879,205.20 and 337,304.80

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Solution

The fourth proportional to 586,914.40, 879,205.20 and 337,304.80 is: 505,286.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,914.40 : 879,205.20 = 337,304.80 : x
  2. Step 2: Convert to fraction form
    586,914.40/879,205.20 = 337,304.80/x
  3. Step 3: Cross multiply
    586,914.40x = 879,205.20 × 337,304.80
  4. Step 4: Simplify right side
    586,914.40x = 296,560,134,144.96
  5. Step 5: Solve for x
    x = 296,560,134,144.96/586,914.40
  6. Step 6: Final answer
    x = 505,286.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.