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Finding the Fourth Proportional to 276,818.51, 415,227.70 and 158,406.13

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Solution

The fourth proportional to 276,818.51, 415,227.70 and 158,406.13 is: 237,609.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,818.51 : 415,227.70 = 158,406.13 : x
  2. Step 2: Convert to fraction form
    276,818.51/415,227.70 = 158,406.13/x
  3. Step 3: Cross multiply
    276,818.51x = 415,227.70 × 158,406.13
  4. Step 4: Simplify right side
    276,818.51x = 65,774,613,742.84
  5. Step 5: Solve for x
    x = 65,774,613,742.84/276,818.51
  6. Step 6: Final answer
    x = 237,609.16

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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.