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Finding the Fourth Proportional to 598,506.90, 898,090.82 and 243,770.64

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Solution

The fourth proportional to 598,506.90, 898,090.82 and 243,770.64 is: 365,790.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,506.90 : 898,090.82 = 243,770.64 : x
  2. Step 2: Convert to fraction form
    598,506.90/898,090.82 = 243,770.64/x
  3. Step 3: Cross multiply
    598,506.90x = 898,090.82 × 243,770.64
  4. Step 4: Simplify right side
    598,506.90x = 218,928,173,969.53
  5. Step 5: Solve for x
    x = 218,928,173,969.53/598,506.90
  6. Step 6: Final answer
    x = 365,790.56

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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.