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Finding the Fourth Proportional to 276,071.39, 380,451.43 and 237,818.94

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Solution

The fourth proportional to 276,071.39, 380,451.43 and 237,818.94 is: 327,736.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,071.39 : 380,451.43 = 237,818.94 : x
  2. Step 2: Convert to fraction form
    276,071.39/380,451.43 = 237,818.94/x
  3. Step 3: Cross multiply
    276,071.39x = 380,451.43 × 237,818.94
  4. Step 4: Simplify right side
    276,071.39x = 90,478,554,674.67
  5. Step 5: Solve for x
    x = 90,478,554,674.67/276,071.39
  6. Step 6: Final answer
    x = 327,736.08

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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.