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Finding the Fourth Proportional to 342,426.75, 472,550.54 and 191,523.75

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Solution

The fourth proportional to 342,426.75, 472,550.54 and 191,523.75 is: 264,303.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,426.75 : 472,550.54 = 191,523.75 : x
  2. Step 2: Convert to fraction form
    342,426.75/472,550.54 = 191,523.75/x
  3. Step 3: Cross multiply
    342,426.75x = 472,550.54 × 191,523.75
  4. Step 4: Simplify right side
    342,426.75x = 90,504,650,527.71
  5. Step 5: Solve for x
    x = 90,504,650,527.71/342,426.75
  6. Step 6: Final answer
    x = 264,303.68

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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.