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Finding the Fourth Proportional to 551,346.66, 761,147.37 and 371,006.82

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Solution

The fourth proportional to 551,346.66, 761,147.37 and 371,006.82 is: 512,183.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,346.66 : 761,147.37 = 371,006.82 : x
  2. Step 2: Convert to fraction form
    551,346.66/761,147.37 = 371,006.82/x
  3. Step 3: Cross multiply
    551,346.66x = 761,147.37 × 371,006.82
  4. Step 4: Simplify right side
    551,346.66x = 282,390,865,295.06
  5. Step 5: Solve for x
    x = 282,390,865,295.06/551,346.66
  6. Step 6: Final answer
    x = 512,183.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.