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Finding the Fourth Proportional to 551,048.78, 826,888.54 and 214,045.83

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Solution

The fourth proportional to 551,048.78, 826,888.54 and 214,045.83 is: 321,191.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,048.78 : 826,888.54 = 214,045.83 : x
  2. Step 2: Convert to fraction form
    551,048.78/826,888.54 = 214,045.83/x
  3. Step 3: Cross multiply
    551,048.78x = 826,888.54 × 214,045.83
  4. Step 4: Simplify right side
    551,048.78x = 176,992,043,326.67
  5. Step 5: Solve for x
    x = 176,992,043,326.67/551,048.78
  6. Step 6: Final answer
    x = 321,191.24

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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.