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Finding the Fourth Proportional to 484,271.10, 726,147.45 and 203,471.10

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Solution

The fourth proportional to 484,271.10, 726,147.45 and 203,471.10 is: 305,097.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,271.10 : 726,147.45 = 203,471.10 : x
  2. Step 2: Convert to fraction form
    484,271.10/726,147.45 = 203,471.10/x
  3. Step 3: Cross multiply
    484,271.10x = 726,147.45 × 203,471.10
  4. Step 4: Simplify right side
    484,271.10x = 147,750,020,413.70
  5. Step 5: Solve for x
    x = 147,750,020,413.70/484,271.10
  6. Step 6: Final answer
    x = 305,097.74

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1.5x scale

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.