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Finding the Fourth Proportional to 299,480.84, 447,856.81 and 223,632.64

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Solution

The fourth proportional to 299,480.84, 447,856.81 and 223,632.64 is: 334,430.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,480.84 : 447,856.81 = 223,632.64 : x
  2. Step 2: Convert to fraction form
    299,480.84/447,856.81 = 223,632.64/x
  3. Step 3: Cross multiply
    299,480.84x = 447,856.81 × 223,632.64
  4. Step 4: Simplify right side
    299,480.84x = 100,155,399,083.56
  5. Step 5: Solve for x
    x = 100,155,399,083.56/299,480.84
  6. Step 6: Final answer
    x = 334,430.08

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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.