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Finding the Fourth Proportional to 220,376.34, 304,118.28 and 119,774.34

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Solution

The fourth proportional to 220,376.34, 304,118.28 and 119,774.34 is: 165,288.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,376.34 : 304,118.28 = 119,774.34 : x
  2. Step 2: Convert to fraction form
    220,376.34/304,118.28 = 119,774.34/x
  3. Step 3: Cross multiply
    220,376.34x = 304,118.28 × 119,774.34
  4. Step 4: Simplify right side
    220,376.34x = 36,425,566,268.94
  5. Step 5: Solve for x
    x = 36,425,566,268.94/220,376.34
  6. Step 6: Final answer
    x = 165,288.01

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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.