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Finding the Fourth Proportional to 474,441.66, 654,723.66 and 259,578.63

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Solution

The fourth proportional to 474,441.66, 654,723.66 and 259,578.63 is: 358,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,441.66 : 654,723.66 = 259,578.63 : x
  2. Step 2: Convert to fraction form
    474,441.66/654,723.66 = 259,578.63/x
  3. Step 3: Cross multiply
    474,441.66x = 654,723.66 × 259,578.63
  4. Step 4: Simplify right side
    474,441.66x = 169,952,270,691.39
  5. Step 5: Solve for x
    x = 169,952,270,691.39/474,441.66
  6. Step 6: Final answer
    x = 358,215.32

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Double scale
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Similar ratio
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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.