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Finding the Fourth Proportional to 400,066.93, 552,101.96 and 227,981.22

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Solution

The fourth proportional to 400,066.93, 552,101.96 and 227,981.22 is: 314,619.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,066.93 : 552,101.96 = 227,981.22 : x
  2. Step 2: Convert to fraction form
    400,066.93/552,101.96 = 227,981.22/x
  3. Step 3: Cross multiply
    400,066.93x = 552,101.96 × 227,981.22
  4. Step 4: Simplify right side
    400,066.93x = 125,868,878,405.19
  5. Step 5: Solve for x
    x = 125,868,878,405.19/400,066.93
  6. Step 6: Final answer
    x = 314,619.55

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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.