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Finding the Fourth Proportional to 444,427.32, 666,645.30 and 112,003.32

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Solution

The fourth proportional to 444,427.32, 666,645.30 and 112,003.32 is: 168,006.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,427.32 : 666,645.30 = 112,003.32 : x
  2. Step 2: Convert to fraction form
    444,427.32/666,645.30 = 112,003.32/x
  3. Step 3: Cross multiply
    444,427.32x = 666,645.30 × 112,003.32
  4. Step 4: Simplify right side
    444,427.32x = 74,666,486,862.40
  5. Step 5: Solve for x
    x = 74,666,486,862.40/444,427.32
  6. Step 6: Final answer
    x = 168,006.07

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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.