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Finding the Fourth Proportional to 342,277.11, 472,343.00 and 191,374.11

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Solution

The fourth proportional to 342,277.11, 472,343.00 and 191,374.11 is: 264,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,277.11 : 472,343.00 = 191,374.11 : x
  2. Step 2: Convert to fraction form
    342,277.11/472,343.00 = 191,374.11/x
  3. Step 3: Cross multiply
    342,277.11x = 472,343.00 × 191,374.11
  4. Step 4: Simplify right side
    342,277.11x = 90,394,220,282.86
  5. Step 5: Solve for x
    x = 90,394,220,282.86/342,277.11
  6. Step 6: Final answer
    x = 264,096.60

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1.5x scale

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.