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Finding the Fourth Proportional to 447,414.03, 617,413.19 and 256,294.53

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Solution

The fourth proportional to 447,414.03, 617,413.19 and 256,294.53 is: 353,676.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,414.03 : 617,413.19 = 256,294.53 : x
  2. Step 2: Convert to fraction form
    447,414.03/617,413.19 = 256,294.53/x
  3. Step 3: Cross multiply
    447,414.03x = 617,413.19 × 256,294.53
  4. Step 4: Simplify right side
    447,414.03x = 158,239,622,065.38
  5. Step 5: Solve for x
    x = 158,239,622,065.38/447,414.03
  6. Step 6: Final answer
    x = 353,676.04

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1.5x scale

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.