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Finding the Fourth Proportional to 604,251.30, 906,191.70 and 199,368.78

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Solution

The fourth proportional to 604,251.30, 906,191.70 and 199,368.78 is: 298,992.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,251.30 : 906,191.70 = 199,368.78 : x
  2. Step 2: Convert to fraction form
    604,251.30/906,191.70 = 199,368.78/x
  3. Step 3: Cross multiply
    604,251.30x = 906,191.70 × 199,368.78
  4. Step 4: Simplify right side
    604,251.30x = 180,666,333,675.13
  5. Step 5: Solve for x
    x = 180,666,333,675.13/604,251.30
  6. Step 6: Final answer
    x = 298,992.05

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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.