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Finding the Fourth Proportional to 342,744.52, 472,987.05 and 191,841.52

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Solution

The fourth proportional to 342,744.52, 472,987.05 and 191,841.52 is: 264,741.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,744.52 : 472,987.05 = 191,841.52 : x
  2. Step 2: Convert to fraction form
    342,744.52/472,987.05 = 191,841.52/x
  3. Step 3: Cross multiply
    342,744.52x = 472,987.05 × 191,841.52
  4. Step 4: Simplify right side
    342,744.52x = 90,738,554,612.32
  5. Step 5: Solve for x
    x = 90,738,554,612.32/342,744.52
  6. Step 6: Final answer
    x = 264,741.08

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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.