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Finding the Fourth Proportional to 316,165.56, 473,840.76 and 275,474.13

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Solution

The fourth proportional to 316,165.56, 473,840.76 and 275,474.13 is: 412,856.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,165.56 : 473,840.76 = 275,474.13 : x
  2. Step 2: Convert to fraction form
    316,165.56/473,840.76 = 275,474.13/x
  3. Step 3: Cross multiply
    316,165.56x = 473,840.76 × 275,474.13
  4. Step 4: Simplify right side
    316,165.56x = 130,530,871,119.54
  5. Step 5: Solve for x
    x = 130,530,871,119.54/316,165.56
  6. Step 6: Final answer
    x = 412,856.07

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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.