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Finding the Fourth Proportional to 518,929.08, 778,487.72 and 234,753.54

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Solution

The fourth proportional to 518,929.08, 778,487.72 and 234,753.54 is: 352,172.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,929.08 : 778,487.72 = 234,753.54 : x
  2. Step 2: Convert to fraction form
    518,929.08/778,487.72 = 234,753.54/x
  3. Step 3: Cross multiply
    518,929.08x = 778,487.72 × 234,753.54
  4. Step 4: Simplify right side
    518,929.08x = 182,752,746,942.76
  5. Step 5: Solve for x
    x = 182,752,746,942.76/518,929.08
  6. Step 6: Final answer
    x = 352,172.88

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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.