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Finding the Fourth Proportional to 444,322.80, 666,581.40 and 144,752.40

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Solution

The fourth proportional to 444,322.80, 666,581.40 and 144,752.40 is: 217,160.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,322.80 : 666,581.40 = 144,752.40 : x
  2. Step 2: Convert to fraction form
    444,322.80/666,581.40 = 144,752.40/x
  3. Step 3: Cross multiply
    444,322.80x = 666,581.40 × 144,752.40
  4. Step 4: Simplify right side
    444,322.80x = 96,489,257,445.36
  5. Step 5: Solve for x
    x = 96,489,257,445.36/444,322.80
  6. Step 6: Final answer
    x = 217,160.27

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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.