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Finding the Fourth Proportional to 529,327.68, 793,989.60 and 229,769.16

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Solution

The fourth proportional to 529,327.68, 793,989.60 and 229,769.16 is: 344,652.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,327.68 : 793,989.60 = 229,769.16 : x
  2. Step 2: Convert to fraction form
    529,327.68/793,989.60 = 229,769.16/x
  3. Step 3: Cross multiply
    529,327.68x = 793,989.60 × 229,769.16
  4. Step 4: Simplify right side
    529,327.68x = 182,434,323,440.74
  5. Step 5: Solve for x
    x = 182,434,323,440.74/529,327.68
  6. Step 6: Final answer
    x = 344,652.91

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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.