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Finding the Fourth Proportional to 291,651.77, 437,411.95 and 104,663.27

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Solution

The fourth proportional to 291,651.77, 437,411.95 and 104,663.27 is: 156,971.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,651.77 : 437,411.95 = 104,663.27 : x
  2. Step 2: Convert to fraction form
    291,651.77/437,411.95 = 104,663.27/x
  3. Step 3: Cross multiply
    291,651.77x = 437,411.95 × 104,663.27
  4. Step 4: Simplify right side
    291,651.77x = 45,780,965,855.95
  5. Step 5: Solve for x
    x = 45,780,965,855.95/291,651.77
  6. Step 6: Final answer
    x = 156,971.33

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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.