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Finding the Fourth Proportional to 555,608.28, 832,840.35 and 218,512.28

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Solution

The fourth proportional to 555,608.28, 832,840.35 and 218,512.28 is: 327,543.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,608.28 : 832,840.35 = 218,512.28 : x
  2. Step 2: Convert to fraction form
    555,608.28/832,840.35 = 218,512.28/x
  3. Step 3: Cross multiply
    555,608.28x = 832,840.35 × 218,512.28
  4. Step 4: Simplify right side
    555,608.28x = 181,985,839,590.30
  5. Step 5: Solve for x
    x = 181,985,839,590.30/555,608.28
  6. Step 6: Final answer
    x = 327,543.43

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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.