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Finding the Fourth Proportional to 451,705.86, 623,349.84 and 247,752.60

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Solution

The fourth proportional to 451,705.86, 623,349.84 and 247,752.60 is: 341,896.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,705.86 : 623,349.84 = 247,752.60 : x
  2. Step 2: Convert to fraction form
    451,705.86/623,349.84 = 247,752.60/x
  3. Step 3: Cross multiply
    451,705.86x = 623,349.84 × 247,752.60
  4. Step 4: Simplify right side
    451,705.86x = 154,436,543,569.58
  5. Step 5: Solve for x
    x = 154,436,543,569.58/451,705.86
  6. Step 6: Final answer
    x = 341,896.26

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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.