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Finding the Fourth Proportional to 220,460.77, 330,655.75 and 60,499.34

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Solution

The fourth proportional to 220,460.77, 330,655.75 and 60,499.34 is: 90,739.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,460.77 : 330,655.75 = 60,499.34 : x
  2. Step 2: Convert to fraction form
    220,460.77/330,655.75 = 60,499.34/x
  3. Step 3: Cross multiply
    220,460.77x = 330,655.75 × 60,499.34
  4. Step 4: Simplify right side
    220,460.77x = 20,004,454,642.21
  5. Step 5: Solve for x
    x = 20,004,454,642.21/220,460.77
  6. Step 6: Final answer
    x = 90,739.29

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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.