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Finding the Fourth Proportional to 400,476.62, 552,635.24 and 219,188.18

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Solution

The fourth proportional to 400,476.62, 552,635.24 and 219,188.18 is: 302,467.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,476.62 : 552,635.24 = 219,188.18 : x
  2. Step 2: Convert to fraction form
    400,476.62/552,635.24 = 219,188.18/x
  3. Step 3: Cross multiply
    400,476.62x = 552,635.24 × 219,188.18
  4. Step 4: Simplify right side
    400,476.62x = 121,131,112,459.46
  5. Step 5: Solve for x
    x = 121,131,112,459.46/400,476.62
  6. Step 6: Final answer
    x = 302,467.38

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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.