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Finding the Fourth Proportional to 523,999.56, 786,046.86 and 144,944.04

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Solution

The fourth proportional to 523,999.56, 786,046.86 and 144,944.04 is: 217,429.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,999.56 : 786,046.86 = 144,944.04 : x
  2. Step 2: Convert to fraction form
    523,999.56/786,046.86 = 144,944.04/x
  3. Step 3: Cross multiply
    523,999.56x = 786,046.86 × 144,944.04
  4. Step 4: Simplify right side
    523,999.56x = 113,932,807,517.71
  5. Step 5: Solve for x
    x = 113,932,807,517.71/523,999.56
  6. Step 6: Final answer
    x = 217,429.20

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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.