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Finding the Fourth Proportional to 619,272.32, 854,527.46 and 347,284.24

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Solution

The fourth proportional to 619,272.32, 854,527.46 and 347,284.24 is: 479,213.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,272.32 : 854,527.46 = 347,284.24 : x
  2. Step 2: Convert to fraction form
    619,272.32/854,527.46 = 347,284.24/x
  3. Step 3: Cross multiply
    619,272.32x = 854,527.46 × 347,284.24
  4. Step 4: Simplify right side
    619,272.32x = 296,763,915,632.49
  5. Step 5: Solve for x
    x = 296,763,915,632.49/619,272.32
  6. Step 6: Final answer
    x = 479,213.92

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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.