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Finding the Fourth Proportional to 628,002.36, 866,635.12 and 341,516.30

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Solution

The fourth proportional to 628,002.36, 866,635.12 and 341,516.30 is: 471,288.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,002.36 : 866,635.12 = 341,516.30 : x
  2. Step 2: Convert to fraction form
    628,002.36/866,635.12 = 341,516.30/x
  3. Step 3: Cross multiply
    628,002.36x = 866,635.12 × 341,516.30
  4. Step 4: Simplify right side
    628,002.36x = 295,970,019,632.46
  5. Step 5: Solve for x
    x = 295,970,019,632.46/628,002.36
  6. Step 6: Final answer
    x = 471,288.07

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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.