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Finding the Fourth Proportional to 424,675.14, 637,017.66 and 168,570.60

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Solution

The fourth proportional to 424,675.14, 637,017.66 and 168,570.60 is: 252,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,675.14 : 637,017.66 = 168,570.60 : x
  2. Step 2: Convert to fraction form
    424,675.14/637,017.66 = 168,570.60/x
  3. Step 3: Cross multiply
    424,675.14x = 637,017.66 × 168,570.60
  4. Step 4: Simplify right side
    424,675.14x = 107,382,449,156.80
  5. Step 5: Solve for x
    x = 107,382,449,156.80/424,675.14
  6. Step 6: Final answer
    x = 252,857.86

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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.