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Finding the Fourth Proportional to 487,676.01, 731,538.50 and 155,277.93

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Solution

The fourth proportional to 487,676.01, 731,538.50 and 155,277.93 is: 232,924.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,676.01 : 731,538.50 = 155,277.93 : x
  2. Step 2: Convert to fraction form
    487,676.01/731,538.50 = 155,277.93/x
  3. Step 3: Cross multiply
    487,676.01x = 731,538.50 × 155,277.93
  4. Step 4: Simplify right side
    487,676.01x = 113,591,783,218.92
  5. Step 5: Solve for x
    x = 113,591,783,218.92/487,676.01
  6. Step 6: Final answer
    x = 232,924.69

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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.