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Finding the Fourth Proportional to 276,048, 380,858.76 and 168,564.24

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Solution

The fourth proportional to 276,048, 380,858.76 and 168,564.24 is: 232,565.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,048 : 380,858.76 = 168,564.24 : x
  2. Step 2: Convert to fraction form
    276,048/380,858.76 = 168,564.24/x
  3. Step 3: Cross multiply
    276,048x = 380,858.76 × 168,564.24
  4. Step 4: Simplify right side
    276,048x = 64,199,167,426.74
  5. Step 5: Solve for x
    x = 64,199,167,426.74/276,048
  6. Step 6: Final answer
    x = 232,565.23

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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.