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Finding the Fourth Proportional to 444,428.32, 666,646.80 and 112,004.32

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Solution

The fourth proportional to 444,428.32, 666,646.80 and 112,004.32 is: 168,007.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,428.32 : 666,646.80 = 112,004.32 : x
  2. Step 2: Convert to fraction form
    444,428.32/666,646.80 = 112,004.32/x
  3. Step 3: Cross multiply
    444,428.32x = 666,646.80 × 112,004.32
  4. Step 4: Simplify right side
    444,428.32x = 74,667,321,514.18
  5. Step 5: Solve for x
    x = 74,667,321,514.18/444,428.32
  6. Step 6: Final answer
    x = 168,007.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.