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Finding the Fourth Proportional to 342,991.32, 473,334.54 and 192,087.96

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Solution

The fourth proportional to 342,991.32, 473,334.54 and 192,087.96 is: 265,085.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,991.32 : 473,334.54 = 192,087.96 : x
  2. Step 2: Convert to fraction form
    342,991.32/473,334.54 = 192,087.96/x
  3. Step 3: Cross multiply
    342,991.32x = 473,334.54 × 192,087.96
  4. Step 4: Simplify right side
    342,991.32x = 90,921,866,186.14
  5. Step 5: Solve for x
    x = 90,921,866,186.14/342,991.32
  6. Step 6: Final answer
    x = 265,085.04

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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.