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Finding the Fourth Proportional to 452,883.79, 679,325.24 and 115,923.89

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Solution

The fourth proportional to 452,883.79, 679,325.24 and 115,923.89 is: 173,885.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,883.79 : 679,325.24 = 115,923.89 : x
  2. Step 2: Convert to fraction form
    452,883.79/679,325.24 = 115,923.89/x
  3. Step 3: Cross multiply
    452,883.79x = 679,325.24 × 115,923.89
  4. Step 4: Simplify right side
    452,883.79x = 78,750,023,816.36
  5. Step 5: Solve for x
    x = 78,750,023,816.36/452,883.79
  6. Step 6: Final answer
    x = 173,885.72

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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.