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Finding the Fourth Proportional to 335,315.25, 462,500.69 and 220,557.69

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Solution

The fourth proportional to 335,315.25, 462,500.69 and 220,557.69 is: 304,215.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,315.25 : 462,500.69 = 220,557.69 : x
  2. Step 2: Convert to fraction form
    335,315.25/462,500.69 = 220,557.69/x
  3. Step 3: Cross multiply
    335,315.25x = 462,500.69 × 220,557.69
  4. Step 4: Simplify right side
    335,315.25x = 102,008,082,707.02
  5. Step 5: Solve for x
    x = 102,008,082,707.02/335,315.25
  6. Step 6: Final answer
    x = 304,215.46

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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.