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Finding the Fourth Proportional to 268,046.51, 401,064.81 and 159,579.14

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Solution

The fourth proportional to 268,046.51, 401,064.81 and 159,579.14 is: 238,770.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,046.51 : 401,064.81 = 159,579.14 : x
  2. Step 2: Convert to fraction form
    268,046.51/401,064.81 = 159,579.14/x
  3. Step 3: Cross multiply
    268,046.51x = 401,064.81 × 159,579.14
  4. Step 4: Simplify right side
    268,046.51x = 64,001,575,458.74
  5. Step 5: Solve for x
    x = 64,001,575,458.74/268,046.51
  6. Step 6: Final answer
    x = 238,770.41

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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.