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Finding the Fourth Proportional to 582,230.60, 872,817.90 and 208,166.60

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Solution

The fourth proportional to 582,230.60, 872,817.90 and 208,166.60 is: 312,061.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,230.60 : 872,817.90 = 208,166.60 : x
  2. Step 2: Convert to fraction form
    582,230.60/872,817.90 = 208,166.60/x
  3. Step 3: Cross multiply
    582,230.60x = 872,817.90 × 208,166.60
  4. Step 4: Simplify right side
    582,230.60x = 181,691,534,662.14
  5. Step 5: Solve for x
    x = 181,691,534,662.14/582,230.60
  6. Step 6: Final answer
    x = 312,061.12

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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.