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Finding the Fourth Proportional to 551,446.57, 827,196.99 and 152,078.50

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Solution

The fourth proportional to 551,446.57, 827,196.99 and 152,078.50 is: 228,125.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,446.57 : 827,196.99 = 152,078.50 : x
  2. Step 2: Convert to fraction form
    551,446.57/827,196.99 = 152,078.50/x
  3. Step 3: Cross multiply
    551,446.57x = 827,196.99 × 152,078.50
  4. Step 4: Simplify right side
    551,446.57x = 125,798,877,443.72
  5. Step 5: Solve for x
    x = 125,798,877,443.72/551,446.57
  6. Step 6: Final answer
    x = 228,125.23

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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.