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Finding the Fourth Proportional to 518,598.54, 777,898.62 and 341,894.88

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Solution

The fourth proportional to 518,598.54, 777,898.62 and 341,894.88 is: 512,842.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,598.54 : 777,898.62 = 341,894.88 : x
  2. Step 2: Convert to fraction form
    518,598.54/777,898.62 = 341,894.88/x
  3. Step 3: Cross multiply
    518,598.54x = 777,898.62 × 341,894.88
  4. Step 4: Simplify right side
    518,598.54x = 265,959,555,337.07
  5. Step 5: Solve for x
    x = 265,959,555,337.07/518,598.54
  6. Step 6: Final answer
    x = 512,842.85

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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.