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Finding the Fourth Proportional to 342,932.36, 473,240.67 and 189,967.34

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Solution

The fourth proportional to 342,932.36, 473,240.67 and 189,967.34 is: 262,151.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,932.36 : 473,240.67 = 189,967.34 : x
  2. Step 2: Convert to fraction form
    342,932.36/473,240.67 = 189,967.34/x
  3. Step 3: Cross multiply
    342,932.36x = 473,240.67 × 189,967.34
  4. Step 4: Simplify right side
    342,932.36x = 89,900,268,893.51
  5. Step 5: Solve for x
    x = 89,900,268,893.51/342,932.36
  6. Step 6: Final answer
    x = 262,151.61

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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.