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Finding the Fourth Proportional to 551,801.51, 827,717.76 and 152,442.25

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Solution

The fourth proportional to 551,801.51, 827,717.76 and 152,442.25 is: 228,667.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,801.51 : 827,717.76 = 152,442.25 : x
  2. Step 2: Convert to fraction form
    551,801.51/827,717.76 = 152,442.25/x
  3. Step 3: Cross multiply
    551,801.51x = 827,717.76 × 152,442.25
  4. Step 4: Simplify right side
    551,801.51x = 126,179,160,714.72
  5. Step 5: Solve for x
    x = 126,179,160,714.72/551,801.51
  6. Step 6: Final answer
    x = 228,667.66

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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.