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Finding the Fourth Proportional to 518,595.80, 777,582.54 and 202,676.36

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Solution

The fourth proportional to 518,595.80, 777,582.54 and 202,676.36 is: 303,892.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,595.80 : 777,582.54 = 202,676.36 : x
  2. Step 2: Convert to fraction form
    518,595.80/777,582.54 = 202,676.36/x
  3. Step 3: Cross multiply
    518,595.80x = 777,582.54 × 202,676.36
  4. Step 4: Simplify right side
    518,595.80x = 157,597,598,806.75
  5. Step 5: Solve for x
    x = 157,597,598,806.75/518,595.80
  6. Step 6: Final answer
    x = 303,892.93

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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.