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Finding the Fourth Proportional to 574,706.55, 862,131.39 and 195,598.15

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Solution

The fourth proportional to 574,706.55, 862,131.39 and 195,598.15 is: 293,421.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,706.55 : 862,131.39 = 195,598.15 : x
  2. Step 2: Convert to fraction form
    574,706.55/862,131.39 = 195,598.15/x
  3. Step 3: Cross multiply
    574,706.55x = 862,131.39 × 195,598.15
  4. Step 4: Simplify right side
    574,706.55x = 168,631,304,940.93
  5. Step 5: Solve for x
    x = 168,631,304,940.93/574,706.55
  6. Step 6: Final answer
    x = 293,421.58

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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.