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Finding the Fourth Proportional to 342,713.07, 472,950.32 and 191,809.71

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Solution

The fourth proportional to 342,713.07, 472,950.32 and 191,809.71 is: 264,700.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,713.07 : 472,950.32 = 191,809.71 : x
  2. Step 2: Convert to fraction form
    342,713.07/472,950.32 = 191,809.71/x
  3. Step 3: Cross multiply
    342,713.07x = 472,950.32 × 191,809.71
  4. Step 4: Simplify right side
    342,713.07x = 90,716,462,764.56
  5. Step 5: Solve for x
    x = 90,716,462,764.56/342,713.07
  6. Step 6: Final answer
    x = 264,700.91

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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.