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Finding the Fourth Proportional to 551,516.33, 827,322.15 and 152,157.11

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Solution

The fourth proportional to 551,516.33, 827,322.15 and 152,157.11 is: 228,248.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,516.33 : 827,322.15 = 152,157.11 : x
  2. Step 2: Convert to fraction form
    551,516.33/827,322.15 = 152,157.11/x
  3. Step 3: Cross multiply
    551,516.33x = 827,322.15 × 152,157.11
  4. Step 4: Simplify right side
    551,516.33x = 125,882,942,485.59
  5. Step 5: Solve for x
    x = 125,882,942,485.59/551,516.33
  6. Step 6: Final answer
    x = 228,248.80

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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.