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Finding the Fourth Proportional to 531,617.96, 797,318.19 and 152,437.11

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Solution

The fourth proportional to 531,617.96, 797,318.19 and 152,437.11 is: 228,624.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,617.96 : 797,318.19 = 152,437.11 : x
  2. Step 2: Convert to fraction form
    531,617.96/797,318.19 = 152,437.11/x
  3. Step 3: Cross multiply
    531,617.96x = 797,318.19 × 152,437.11
  4. Step 4: Simplify right side
    531,617.96x = 121,540,880,634.03
  5. Step 5: Solve for x
    x = 121,540,880,634.03/531,617.96
  6. Step 6: Final answer
    x = 228,624.48

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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.