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Finding the Fourth Proportional to 342,853.80, 473,133.06 and 191,956.20

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Solution

The fourth proportional to 342,853.80, 473,133.06 and 191,956.20 is: 264,896.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,853.80 : 473,133.06 = 191,956.20 : x
  2. Step 2: Convert to fraction form
    342,853.80/473,133.06 = 191,956.20/x
  3. Step 3: Cross multiply
    342,853.80x = 473,133.06 × 191,956.20
  4. Step 4: Simplify right side
    342,853.80x = 90,820,824,291.97
  5. Step 5: Solve for x
    x = 90,820,824,291.97/342,853.80
  6. Step 6: Final answer
    x = 264,896.65

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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.