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Finding the Fourth Proportional to 342,954.85, 473,272.58 and 189,992.73

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Solution

The fourth proportional to 342,954.85, 473,272.58 and 189,992.73 is: 262,187.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,954.85 : 473,272.58 = 189,992.73 : x
  2. Step 2: Convert to fraction form
    342,954.85/473,272.58 = 189,992.73/x
  3. Step 3: Cross multiply
    342,954.85x = 473,272.58 × 189,992.73
  4. Step 4: Simplify right side
    342,954.85x = 89,918,349,508.34
  5. Step 5: Solve for x
    x = 89,918,349,508.34/342,954.85
  6. Step 6: Final answer
    x = 262,187.13

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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.