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Finding the Fourth Proportional to 369,451.08, 554,004.41 and 191,910.42

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Solution

The fourth proportional to 369,451.08, 554,004.41 and 191,910.42 is: 287,776.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,451.08 : 554,004.41 = 191,910.42 : x
  2. Step 2: Convert to fraction form
    369,451.08/554,004.41 = 191,910.42/x
  3. Step 3: Cross multiply
    369,451.08x = 554,004.41 × 191,910.42
  4. Step 4: Simplify right side
    369,451.08x = 106,319,218,045.40
  5. Step 5: Solve for x
    x = 106,319,218,045.40/369,451.08
  6. Step 6: Final answer
    x = 287,776.17

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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.