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Finding the Fourth Proportional to 551,737.49, 826,556.47 and 314,360.51

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Solution

The fourth proportional to 551,737.49, 826,556.47 and 314,360.51 is: 470,942.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,737.49 : 826,556.47 = 314,360.51 : x
  2. Step 2: Convert to fraction form
    551,737.49/826,556.47 = 314,360.51/x
  3. Step 3: Cross multiply
    551,737.49x = 826,556.47 × 314,360.51
  4. Step 4: Simplify right side
    551,737.49x = 259,836,708,534.32
  5. Step 5: Solve for x
    x = 259,836,708,534.32/551,737.49
  6. Step 6: Final answer
    x = 470,942.64

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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.