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Finding the Fourth Proportional to 353,017.08, 487,165.86 and 191,873.52

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Solution

The fourth proportional to 353,017.08, 487,165.86 and 191,873.52 is: 264,786.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,017.08 : 487,165.86 = 191,873.52 : x
  2. Step 2: Convert to fraction form
    353,017.08/487,165.86 = 191,873.52/x
  3. Step 3: Cross multiply
    353,017.08x = 487,165.86 × 191,873.52
  4. Step 4: Simplify right side
    353,017.08x = 93,474,228,382.03
  5. Step 5: Solve for x
    x = 93,474,228,382.03/353,017.08
  6. Step 6: Final answer
    x = 264,786.70

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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.