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Finding the Fourth Proportional to 518,680.54, 778,114.32 and 234,504.83

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Solution

The fourth proportional to 518,680.54, 778,114.32 and 234,504.83 is: 351,799.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,680.54 : 778,114.32 = 234,504.83 : x
  2. Step 2: Convert to fraction form
    518,680.54/778,114.32 = 234,504.83/x
  3. Step 3: Cross multiply
    518,680.54x = 778,114.32 × 234,504.83
  4. Step 4: Simplify right side
    518,680.54x = 182,471,570,470.92
  5. Step 5: Solve for x
    x = 182,471,570,470.92/518,680.54
  6. Step 6: Final answer
    x = 351,799.53

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1.5x scale

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.