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Finding the Fourth Proportional to 529,040.97, 793,311.18 and 204,980.76

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Solution

The fourth proportional to 529,040.97, 793,311.18 and 204,980.76 is: 307,374.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,040.97 : 793,311.18 = 204,980.76 : x
  2. Step 2: Convert to fraction form
    529,040.97/793,311.18 = 204,980.76/x
  3. Step 3: Cross multiply
    529,040.97x = 793,311.18 × 204,980.76
  4. Step 4: Simplify right side
    529,040.97x = 162,613,528,592.90
  5. Step 5: Solve for x
    x = 162,613,528,592.90/529,040.97
  6. Step 6: Final answer
    x = 307,374.17

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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.