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Finding the Fourth Proportional to 551,290.96, 826,411.54 and 177,051.52

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Solution

The fourth proportional to 551,290.96, 826,411.54 and 177,051.52 is: 265,408.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,290.96 : 826,411.54 = 177,051.52 : x
  2. Step 2: Convert to fraction form
    551,290.96/826,411.54 = 177,051.52/x
  3. Step 3: Cross multiply
    551,290.96x = 826,411.54 × 177,051.52
  4. Step 4: Simplify right side
    551,290.96x = 146,317,419,302.54
  5. Step 5: Solve for x
    x = 146,317,419,302.54/551,290.96
  6. Step 6: Final answer
    x = 265,408.70

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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.