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Finding the Fourth Proportional to 444,360.96, 666,604.72 and 163,856.40

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Solution

The fourth proportional to 444,360.96, 666,604.72 and 163,856.40 is: 245,807.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,360.96 : 666,604.72 = 163,856.40 : x
  2. Step 2: Convert to fraction form
    444,360.96/666,604.72 = 163,856.40/x
  3. Step 3: Cross multiply
    444,360.96x = 666,604.72 × 163,856.40
  4. Step 4: Simplify right side
    444,360.96x = 109,227,449,642.21
  5. Step 5: Solve for x
    x = 109,227,449,642.21/444,360.96
  6. Step 6: Final answer
    x = 245,807.93

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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.