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Finding the Fourth Proportional to 652,822.38, 978,918.60 and 273,641.30

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Solution

The fourth proportional to 652,822.38, 978,918.60 and 273,641.30 is: 410,329.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,822.38 : 978,918.60 = 273,641.30 : x
  2. Step 2: Convert to fraction form
    652,822.38/978,918.60 = 273,641.30/x
  3. Step 3: Cross multiply
    652,822.38x = 978,918.60 × 273,641.30
  4. Step 4: Simplify right side
    652,822.38x = 267,872,557,024.42
  5. Step 5: Solve for x
    x = 267,872,557,024.42/652,822.38
  6. Step 6: Final answer
    x = 410,329.93

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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.