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Finding the Fourth Proportional to 342,954.98, 473,272.76 and 189,992.85

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Solution

The fourth proportional to 342,954.98, 473,272.76 and 189,992.85 is: 262,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,954.98 : 473,272.76 = 189,992.85 : x
  2. Step 2: Convert to fraction form
    342,954.98/473,272.76 = 189,992.85/x
  3. Step 3: Cross multiply
    342,954.98x = 473,272.76 × 189,992.85
  4. Step 4: Simplify right side
    342,954.98x = 89,918,440,499.77
  5. Step 5: Solve for x
    x = 89,918,440,499.77/342,954.98
  6. Step 6: Final answer
    x = 262,187.30

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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.