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Finding the Fourth Proportional to 552,690.30, 829,035.45 and 197,715.90

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Solution

The fourth proportional to 552,690.30, 829,035.45 and 197,715.90 is: 296,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,690.30 : 829,035.45 = 197,715.90 : x
  2. Step 2: Convert to fraction form
    552,690.30/829,035.45 = 197,715.90/x
  3. Step 3: Cross multiply
    552,690.30x = 829,035.45 × 197,715.90
  4. Step 4: Simplify right side
    552,690.30x = 163,913,490,128.66
  5. Step 5: Solve for x
    x = 163,913,490,128.66/552,690.30
  6. Step 6: Final answer
    x = 296,573.85

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Similar ratio
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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.