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Finding the Fourth Proportional to 458,022.09, 686,332.51 and 244,820.34

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Solution

The fourth proportional to 458,022.09, 686,332.51 and 244,820.34 is: 366,856.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,022.09 : 686,332.51 = 244,820.34 : x
  2. Step 2: Convert to fraction form
    458,022.09/686,332.51 = 244,820.34/x
  3. Step 3: Cross multiply
    458,022.09x = 686,332.51 × 244,820.34
  4. Step 4: Simplify right side
    458,022.09x = 168,028,157,839.20
  5. Step 5: Solve for x
    x = 168,028,157,839.20/458,022.09
  6. Step 6: Final answer
    x = 366,856.01

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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.