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Finding the Fourth Proportional to 350,782.35, 526,251.38 and 163,691.79

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Solution

The fourth proportional to 350,782.35, 526,251.38 and 163,691.79 is: 245,574.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,782.35 : 526,251.38 = 163,691.79 : x
  2. Step 2: Convert to fraction form
    350,782.35/526,251.38 = 163,691.79/x
  3. Step 3: Cross multiply
    350,782.35x = 526,251.38 × 163,691.79
  4. Step 4: Simplify right side
    350,782.35x = 86,143,029,563.71
  5. Step 5: Solve for x
    x = 86,143,029,563.71/350,782.35
  6. Step 6: Final answer
    x = 245,574.01

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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.