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Finding the Fourth Proportional to 474,538.73, 654,863.49 and 259,678.83

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Solution

The fourth proportional to 474,538.73, 654,863.49 and 259,678.83 is: 358,356.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,538.73 : 654,863.49 = 259,678.83 : x
  2. Step 2: Convert to fraction form
    474,538.73/654,863.49 = 259,678.83/x
  3. Step 3: Cross multiply
    474,538.73x = 654,863.49 × 259,678.83
  4. Step 4: Simplify right side
    474,538.73x = 170,054,184,892.92
  5. Step 5: Solve for x
    x = 170,054,184,892.92/474,538.73
  6. Step 6: Final answer
    x = 358,356.81

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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.