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Finding the Fourth Proportional to 551,297.94, 826,421.94 and 177,058.50

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Solution

The fourth proportional to 551,297.94, 826,421.94 and 177,058.50 is: 265,419.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,297.94 : 826,421.94 = 177,058.50 : x
  2. Step 2: Convert to fraction form
    551,297.94/826,421.94 = 177,058.50/x
  3. Step 3: Cross multiply
    551,297.94x = 826,421.94 × 177,058.50
  4. Step 4: Simplify right side
    551,297.94x = 146,325,029,063.49
  5. Step 5: Solve for x
    x = 146,325,029,063.49/551,297.94
  6. Step 6: Final answer
    x = 265,419.15

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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.