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Finding the Fourth Proportional to 551,465.05, 827,255.09 and 152,105.89

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Solution

The fourth proportional to 551,465.05, 827,255.09 and 152,105.89 is: 228,174.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,465.05 : 827,255.09 = 152,105.89 : x
  2. Step 2: Convert to fraction form
    551,465.05/827,255.09 = 152,105.89/x
  3. Step 3: Cross multiply
    551,465.05x = 827,255.09 × 152,105.89
  4. Step 4: Simplify right side
    551,465.05x = 125,830,371,721.48
  5. Step 5: Solve for x
    x = 125,830,371,721.48/551,465.05
  6. Step 6: Final answer
    x = 228,174.70

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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.