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Finding the Fourth Proportional to 551,406.29, 826,521.37 and 314,238.29

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Solution

The fourth proportional to 551,406.29, 826,521.37 and 314,238.29 is: 471,022.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,406.29 : 826,521.37 = 314,238.29 : x
  2. Step 2: Convert to fraction form
    551,406.29/826,521.37 = 314,238.29/x
  3. Step 3: Cross multiply
    551,406.29x = 826,521.37 × 314,238.29
  4. Step 4: Simplify right side
    551,406.29x = 259,724,657,039.06
  5. Step 5: Solve for x
    x = 259,724,657,039.06/551,406.29
  6. Step 6: Final answer
    x = 471,022.30

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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.