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Finding the Fourth Proportional to 786,662.92, 1,180,001.20 and 254,184

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Solution

The fourth proportional to 786,662.92, 1,180,001.20 and 254,184 is: 381,278.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,662.92 : 1,180,001.20 = 254,184 : x
  2. Step 2: Convert to fraction form
    786,662.92/1,180,001.20 = 254,184/x
  3. Step 3: Cross multiply
    786,662.92x = 1,180,001.20 × 254,184
  4. Step 4: Simplify right side
    786,662.92x = 299,937,425,020.80
  5. Step 5: Solve for x
    x = 299,937,425,020.80/786,662.92
  6. Step 6: Final answer
    x = 381,278.20

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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.