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Finding the Fourth Proportional to 336,048.78, 463,747.07 and 185,145.78

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Solution

The fourth proportional to 336,048.78, 463,747.07 and 185,145.78 is: 255,501.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,048.78 : 463,747.07 = 185,145.78 : x
  2. Step 2: Convert to fraction form
    336,048.78/463,747.07 = 185,145.78/x
  3. Step 3: Cross multiply
    336,048.78x = 463,747.07 × 185,145.78
  4. Step 4: Simplify right side
    336,048.78x = 85,860,812,997.86
  5. Step 5: Solve for x
    x = 85,860,812,997.86/336,048.78
  6. Step 6: Final answer
    x = 255,501.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.