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Finding the Fourth Proportional to 518,635.53, 777,953.43 and 163,677.33

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Solution

The fourth proportional to 518,635.53, 777,953.43 and 163,677.33 is: 245,516.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,635.53 : 777,953.43 = 163,677.33 : x
  2. Step 2: Convert to fraction form
    518,635.53/777,953.43 = 163,677.33/x
  3. Step 3: Cross multiply
    518,635.53x = 777,953.43 × 163,677.33
  4. Step 4: Simplify right side
    518,635.53x = 127,333,340,286.74
  5. Step 5: Solve for x
    x = 127,333,340,286.74/518,635.53
  6. Step 6: Final answer
    x = 245,516.04

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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.