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Finding the Fourth Proportional to 352,159.86, 485,977.77 and 191,014.50

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Solution

The fourth proportional to 352,159.86, 485,977.77 and 191,014.50 is: 263,598.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,159.86 : 485,977.77 = 191,014.50 : x
  2. Step 2: Convert to fraction form
    352,159.86/485,977.77 = 191,014.50/x
  3. Step 3: Cross multiply
    352,159.86x = 485,977.77 × 191,014.50
  4. Step 4: Simplify right side
    352,159.86x = 92,828,800,747.67
  5. Step 5: Solve for x
    x = 92,828,800,747.67/352,159.86
  6. Step 6: Final answer
    x = 263,598.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.