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Finding the Fourth Proportional to 604,081.80, 906,252.30 and 183,400.20

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Solution

The fourth proportional to 604,081.80, 906,252.30 and 183,400.20 is: 275,139.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,081.80 : 906,252.30 = 183,400.20 : x
  2. Step 2: Convert to fraction form
    604,081.80/906,252.30 = 183,400.20/x
  3. Step 3: Cross multiply
    604,081.80x = 906,252.30 × 183,400.20
  4. Step 4: Simplify right side
    604,081.80x = 166,206,853,070.46
  5. Step 5: Solve for x
    x = 166,206,853,070.46/604,081.80
  6. Step 6: Final answer
    x = 275,139.65

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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.