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Finding the Fourth Proportional to 359,192.78, 534,548.15 and 347,232.86

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Solution

The fourth proportional to 359,192.78, 534,548.15 and 347,232.86 is: 516,749.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,192.78 : 534,548.15 = 347,232.86 : x
  2. Step 2: Convert to fraction form
    359,192.78/534,548.15 = 347,232.86/x
  3. Step 3: Cross multiply
    359,192.78x = 534,548.15 × 347,232.86
  4. Step 4: Simplify right side
    359,192.78x = 185,612,682,932.21
  5. Step 5: Solve for x
    x = 185,612,682,932.21/359,192.78
  6. Step 6: Final answer
    x = 516,749.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.