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Finding the Fourth Proportional to 276,412.64, 381,501.60 and 173,094.80

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Solution

The fourth proportional to 276,412.64, 381,501.60 and 173,094.80 is: 238,903.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,412.64 : 381,501.60 = 173,094.80 : x
  2. Step 2: Convert to fraction form
    276,412.64/381,501.60 = 173,094.80/x
  3. Step 3: Cross multiply
    276,412.64x = 381,501.60 × 173,094.80
  4. Step 4: Simplify right side
    276,412.64x = 66,035,943,151.68
  5. Step 5: Solve for x
    x = 66,035,943,151.68/276,412.64
  6. Step 6: Final answer
    x = 238,903.49

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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.