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Finding the Fourth Proportional to 342,171.04, 472,206.48 and 191,274.40

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Solution

The fourth proportional to 342,171.04, 472,206.48 and 191,274.40 is: 263,964.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,171.04 : 472,206.48 = 191,274.40 : x
  2. Step 2: Convert to fraction form
    342,171.04/472,206.48 = 191,274.40/x
  3. Step 3: Cross multiply
    342,171.04x = 472,206.48 × 191,274.40
  4. Step 4: Simplify right side
    342,171.04x = 90,321,011,138.11
  5. Step 5: Solve for x
    x = 90,321,011,138.11/342,171.04
  6. Step 6: Final answer
    x = 263,964.51

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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.