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Finding the Fourth Proportional to 523,992.56, 786,036.36 and 144,937.04

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Solution

The fourth proportional to 523,992.56, 786,036.36 and 144,937.04 is: 217,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,992.56 : 786,036.36 = 144,937.04 : x
  2. Step 2: Convert to fraction form
    523,992.56/786,036.36 = 144,937.04/x
  3. Step 3: Cross multiply
    523,992.56x = 786,036.36 × 144,937.04
  4. Step 4: Simplify right side
    523,992.56x = 113,925,783,350.77
  5. Step 5: Solve for x
    x = 113,925,783,350.77/523,992.56
  6. Step 6: Final answer
    x = 217,418.70

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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.