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Finding the Fourth Proportional to 400,065.93, 552,100.58 and 227,980.22

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Solution

The fourth proportional to 400,065.93, 552,100.58 and 227,980.22 is: 314,618.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,065.93 : 552,100.58 = 227,980.22 : x
  2. Step 2: Convert to fraction form
    400,065.93/552,100.58 = 227,980.22/x
  3. Step 3: Cross multiply
    400,065.93x = 552,100.58 × 227,980.22
  4. Step 4: Simplify right side
    400,065.93x = 125,868,007,790.12
  5. Step 5: Solve for x
    x = 125,868,007,790.12/400,065.93
  6. Step 6: Final answer
    x = 314,618.16

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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.