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Finding the Fourth Proportional to 347,216.20, 520,824.30 and 97,898.20

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Solution

The fourth proportional to 347,216.20, 520,824.30 and 97,898.20 is: 146,847.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,216.20 : 520,824.30 = 97,898.20 : x
  2. Step 2: Convert to fraction form
    347,216.20/520,824.30 = 97,898.20/x
  3. Step 3: Cross multiply
    347,216.20x = 520,824.30 × 97,898.20
  4. Step 4: Simplify right side
    347,216.20x = 50,987,761,486.26
  5. Step 5: Solve for x
    x = 50,987,761,486.26/347,216.20
  6. Step 6: Final answer
    x = 146,847.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.