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Finding the Fourth Proportional to 333,542.30, 500,406.98 and 134,002.81

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Solution

The fourth proportional to 333,542.30, 500,406.98 and 134,002.81 is: 201,041.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,542.30 : 500,406.98 = 134,002.81 : x
  2. Step 2: Convert to fraction form
    333,542.30/500,406.98 = 134,002.81/x
  3. Step 3: Cross multiply
    333,542.30x = 500,406.98 × 134,002.81
  4. Step 4: Simplify right side
    333,542.30x = 67,055,939,296.59
  5. Step 5: Solve for x
    x = 67,055,939,296.59/333,542.30
  6. Step 6: Final answer
    x = 201,041.78

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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.