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Finding the Fourth Proportional to 454,413.64, 627,126.98 and 250,500.84

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Solution

The fourth proportional to 454,413.64, 627,126.98 and 250,500.84 is: 345,711.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,413.64 : 627,126.98 = 250,500.84 : x
  2. Step 2: Convert to fraction form
    454,413.64/627,126.98 = 250,500.84/x
  3. Step 3: Cross multiply
    454,413.64x = 627,126.98 × 250,500.84
  4. Step 4: Simplify right side
    454,413.64x = 157,095,835,276.66
  5. Step 5: Solve for x
    x = 157,095,835,276.66/454,413.64
  6. Step 6: Final answer
    x = 345,711.09

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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.