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Finding the Fourth Proportional to 529,002.87, 793,398.14 and 259,014.61

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Solution

The fourth proportional to 529,002.87, 793,398.14 and 259,014.61 is: 388,469.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,002.87 : 793,398.14 = 259,014.61 : x
  2. Step 2: Convert to fraction form
    529,002.87/793,398.14 = 259,014.61/x
  3. Step 3: Cross multiply
    529,002.87x = 793,398.14 × 259,014.61
  4. Step 4: Simplify right side
    529,002.87x = 205,501,710,474.81
  5. Step 5: Solve for x
    x = 205,501,710,474.81/529,002.87
  6. Step 6: Final answer
    x = 388,469.94

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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.