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Finding the Fourth Proportional to 343,182.42, 473,610.54 and 190,238.73

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Solution

The fourth proportional to 343,182.42, 473,610.54 and 190,238.73 is: 262,539.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,182.42 : 473,610.54 = 190,238.73 : x
  2. Step 2: Convert to fraction form
    343,182.42/473,610.54 = 190,238.73/x
  3. Step 3: Cross multiply
    343,182.42x = 473,610.54 × 190,238.73
  4. Step 4: Simplify right side
    343,182.42x = 90,099,066,581.57
  5. Step 5: Solve for x
    x = 90,099,066,581.57/343,182.42
  6. Step 6: Final answer
    x = 262,539.87

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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.