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Finding the Fourth Proportional to 562,174.42, 841,910.40 and 321,558.88

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Solution

The fourth proportional to 562,174.42, 841,910.40 and 321,558.88 is: 481,565.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,174.42 : 841,910.40 = 321,558.88 : x
  2. Step 2: Convert to fraction form
    562,174.42/841,910.40 = 321,558.88/x
  3. Step 3: Cross multiply
    562,174.42x = 841,910.40 × 321,558.88
  4. Step 4: Simplify right side
    562,174.42x = 270,723,765,284.35
  5. Step 5: Solve for x
    x = 270,723,765,284.35/562,174.42
  6. Step 6: Final answer
    x = 481,565.43

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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.