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Finding the Fourth Proportional to 651,657.60, 976,773.60 and 230,716.80

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Solution

The fourth proportional to 651,657.60, 976,773.60 and 230,716.80 is: 345,822.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,657.60 : 976,773.60 = 230,716.80 : x
  2. Step 2: Convert to fraction form
    651,657.60/976,773.60 = 230,716.80/x
  3. Step 3: Cross multiply
    651,657.60x = 976,773.60 × 230,716.80
  4. Step 4: Simplify right side
    651,657.60x = 225,358,079,316.48
  5. Step 5: Solve for x
    x = 225,358,079,316.48/651,657.60
  6. Step 6: Final answer
    x = 345,822.84

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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.