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Finding the Fourth Proportional to 400,713.58, 600,931.98 and 116,327.02

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Solution

The fourth proportional to 400,713.58, 600,931.98 and 116,327.02 is: 174,450.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,713.58 : 600,931.98 = 116,327.02 : x
  2. Step 2: Convert to fraction form
    400,713.58/600,931.98 = 116,327.02/x
  3. Step 3: Cross multiply
    400,713.58x = 600,931.98 × 116,327.02
  4. Step 4: Simplify right side
    400,713.58x = 69,904,626,456.10
  5. Step 5: Solve for x
    x = 69,904,626,456.10/400,713.58
  6. Step 6: Final answer
    x = 174,450.36

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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.