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Finding the Fourth Proportional to 551,104.23, 826,727.63 and 380,007.93

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Solution

The fourth proportional to 551,104.23, 826,727.63 and 380,007.93 is: 570,061.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,104.23 : 826,727.63 = 380,007.93 : x
  2. Step 2: Convert to fraction form
    551,104.23/826,727.63 = 380,007.93/x
  3. Step 3: Cross multiply
    551,104.23x = 826,727.63 × 380,007.93
  4. Step 4: Simplify right side
    551,104.23x = 314,163,053,450.07
  5. Step 5: Solve for x
    x = 314,163,053,450.07/551,104.23
  6. Step 6: Final answer
    x = 570,061.05

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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.