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Finding the Fourth Proportional to 207,480.84, 311,262.06 and 74,325.24

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Solution

The fourth proportional to 207,480.84, 311,262.06 and 74,325.24 is: 111,502.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,480.84 : 311,262.06 = 74,325.24 : x
  2. Step 2: Convert to fraction form
    207,480.84/311,262.06 = 74,325.24/x
  3. Step 3: Cross multiply
    207,480.84x = 311,262.06 × 74,325.24
  4. Step 4: Simplify right side
    207,480.84x = 23,134,627,312.39
  5. Step 5: Solve for x
    x = 23,134,627,312.39/207,480.84
  6. Step 6: Final answer
    x = 111,502.48

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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.