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Finding the Fourth Proportional to 552,778.56, 829,245.60 and 272,298.24

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Solution

The fourth proportional to 552,778.56, 829,245.60 and 272,298.24 is: 408,485.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,778.56 : 829,245.60 = 272,298.24 : x
  2. Step 2: Convert to fraction form
    552,778.56/829,245.60 = 272,298.24/x
  3. Step 3: Cross multiply
    552,778.56x = 829,245.60 × 272,298.24
  4. Step 4: Simplify right side
    552,778.56x = 225,802,117,407.74
  5. Step 5: Solve for x
    x = 225,802,117,407.74/552,778.56
  6. Step 6: Final answer
    x = 408,485.66

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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.