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Finding the Fourth Proportional to 551,630.18, 827,428.74 and 152,295.32

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Solution

The fourth proportional to 551,630.18, 827,428.74 and 152,295.32 is: 228,438.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,630.18 : 827,428.74 = 152,295.32 : x
  2. Step 2: Convert to fraction form
    551,630.18/827,428.74 = 152,295.32/x
  3. Step 3: Cross multiply
    551,630.18x = 827,428.74 × 152,295.32
  4. Step 4: Simplify right side
    551,630.18x = 126,013,524,735.50
  5. Step 5: Solve for x
    x = 126,013,524,735.50/551,630.18
  6. Step 6: Final answer
    x = 228,438.42

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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.