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Finding the Fourth Proportional to 474,538.41, 654,863.03 and 259,678.49

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Solution

The fourth proportional to 474,538.41, 654,863.03 and 259,678.49 is: 358,356.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,538.41 : 654,863.03 = 259,678.49 : x
  2. Step 2: Convert to fraction form
    474,538.41/654,863.03 = 259,678.49/x
  3. Step 3: Cross multiply
    474,538.41x = 654,863.03 × 259,678.49
  4. Step 4: Simplify right side
    474,538.41x = 170,053,839,188.31
  5. Step 5: Solve for x
    x = 170,053,839,188.31/474,538.41
  6. Step 6: Final answer
    x = 358,356.32

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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.