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Finding the Fourth Proportional to 450,089.92, 621,180.83 and 295,171.49

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Solution

The fourth proportional to 450,089.92, 621,180.83 and 295,171.49 is: 407,373.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,089.92 : 621,180.83 = 295,171.49 : x
  2. Step 2: Convert to fraction form
    450,089.92/621,180.83 = 295,171.49/x
  3. Step 3: Cross multiply
    450,089.92x = 621,180.83 × 295,171.49
  4. Step 4: Simplify right side
    450,089.92x = 183,354,871,227.63
  5. Step 5: Solve for x
    x = 183,354,871,227.63/450,089.92
  6. Step 6: Final answer
    x = 407,373.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.