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Finding the Fourth Proportional to 342,018.04, 471,975.24 and 191,115.04

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Solution

The fourth proportional to 342,018.04, 471,975.24 and 191,115.04 is: 263,733.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,018.04 : 471,975.24 = 191,115.04 : x
  2. Step 2: Convert to fraction form
    342,018.04/471,975.24 = 191,115.04/x
  3. Step 3: Cross multiply
    342,018.04x = 471,975.24 × 191,115.04
  4. Step 4: Simplify right side
    342,018.04x = 90,201,566,871.61
  5. Step 5: Solve for x
    x = 90,201,566,871.61/342,018.04
  6. Step 6: Final answer
    x = 263,733.36

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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.