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Finding the Fourth Proportional to 529,670.60, 794,813.10 and 197,280.20

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Solution

The fourth proportional to 529,670.60, 794,813.10 and 197,280.20 is: 296,034.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,670.60 : 794,813.10 = 197,280.20 : x
  2. Step 2: Convert to fraction form
    529,670.60/794,813.10 = 197,280.20/x
  3. Step 3: Cross multiply
    529,670.60x = 794,813.10 × 197,280.20
  4. Step 4: Simplify right side
    529,670.60x = 156,800,887,330.62
  5. Step 5: Solve for x
    x = 156,800,887,330.62/529,670.60
  6. Step 6: Final answer
    x = 296,034.72

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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.