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Finding the Fourth Proportional to 276,632.60, 414,948.90 and 170,344.40

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Solution

The fourth proportional to 276,632.60, 414,948.90 and 170,344.40 is: 255,516.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,632.60 : 414,948.90 = 170,344.40 : x
  2. Step 2: Convert to fraction form
    276,632.60/414,948.90 = 170,344.40/x
  3. Step 3: Cross multiply
    276,632.60x = 414,948.90 × 170,344.40
  4. Step 4: Simplify right side
    276,632.60x = 70,684,221,401.16
  5. Step 5: Solve for x
    x = 70,684,221,401.16/276,632.60
  6. Step 6: Final answer
    x = 255,516.60

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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.