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Finding the Fourth Proportional to 551,676.16, 827,512.78 and 146,868.38

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Solution

The fourth proportional to 551,676.16, 827,512.78 and 146,868.38 is: 220,302.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,676.16 : 827,512.78 = 146,868.38 : x
  2. Step 2: Convert to fraction form
    551,676.16/827,512.78 = 146,868.38/x
  3. Step 3: Cross multiply
    551,676.16x = 827,512.78 × 146,868.38
  4. Step 4: Simplify right side
    551,676.16x = 121,535,461,427.90
  5. Step 5: Solve for x
    x = 121,535,461,427.90/551,676.16
  6. Step 6: Final answer
    x = 220,302.18

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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.