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Finding the Fourth Proportional to 598,506.78, 898,090.64 and 243,770.52

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Solution

The fourth proportional to 598,506.78, 898,090.64 and 243,770.52 is: 365,790.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,506.78 : 898,090.64 = 243,770.52 : x
  2. Step 2: Convert to fraction form
    598,506.78/898,090.64 = 243,770.52/x
  3. Step 3: Cross multiply
    598,506.78x = 898,090.64 × 243,770.52
  4. Step 4: Simplify right side
    598,506.78x = 218,928,022,319.93
  5. Step 5: Solve for x
    x = 218,928,022,319.93/598,506.78
  6. Step 6: Final answer
    x = 365,790.38

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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.