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Finding the Fourth Proportional to 518,599.54, 777,900.12 and 341,895.88

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Solution

The fourth proportional to 518,599.54, 777,900.12 and 341,895.88 is: 512,844.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,599.54 : 777,900.12 = 341,895.88 : x
  2. Step 2: Convert to fraction form
    518,599.54/777,900.12 = 341,895.88/x
  3. Step 3: Cross multiply
    518,599.54x = 777,900.12 × 341,895.88
  4. Step 4: Simplify right side
    518,599.54x = 265,960,846,079.51
  5. Step 5: Solve for x
    x = 265,960,846,079.51/518,599.54
  6. Step 6: Final answer
    x = 512,844.35

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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.