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Finding the Fourth Proportional to 552,679.51, 829,019.46 and 197,672.30

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Solution

The fourth proportional to 552,679.51, 829,019.46 and 197,672.30 is: 296,508.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,679.51 : 829,019.46 = 197,672.30 : x
  2. Step 2: Convert to fraction form
    552,679.51/829,019.46 = 197,672.30/x
  3. Step 3: Cross multiply
    552,679.51x = 829,019.46 × 197,672.30
  4. Step 4: Simplify right side
    552,679.51x = 163,874,183,402.96
  5. Step 5: Solve for x
    x = 163,874,183,402.96/552,679.51
  6. Step 6: Final answer
    x = 296,508.52

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Similar ratio
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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.