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Finding the Fourth Proportional to 623,951.73, 860,657.00 and 409,105.71

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Solution

The fourth proportional to 623,951.73, 860,657.00 and 409,105.71 is: 564,305.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,951.73 : 860,657.00 = 409,105.71 : x
  2. Step 2: Convert to fraction form
    623,951.73/860,657.00 = 409,105.71/x
  3. Step 3: Cross multiply
    623,951.73x = 860,657.00 × 409,105.71
  4. Step 4: Simplify right side
    623,951.73x = 352,099,691,005.94
  5. Step 5: Solve for x
    x = 352,099,691,005.94/623,951.73
  6. Step 6: Final answer
    x = 564,305.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.