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Finding the Fourth Proportional to 444,005.40, 666,014.40 and 144,487.56

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Solution

The fourth proportional to 444,005.40, 666,014.40 and 144,487.56 is: 216,733.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,005.40 : 666,014.40 = 144,487.56 : x
  2. Step 2: Convert to fraction form
    444,005.40/666,014.40 = 144,487.56/x
  3. Step 3: Cross multiply
    444,005.40x = 666,014.40 × 144,487.56
  4. Step 4: Simplify right side
    444,005.40x = 96,230,795,580.86
  5. Step 5: Solve for x
    x = 96,230,795,580.86/444,005.40
  6. Step 6: Final answer
    x = 216,733.39

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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.