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Finding the Fourth Proportional to 551,622.15, 827,416.76 and 152,287.29

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Solution

The fourth proportional to 551,622.15, 827,416.76 and 152,287.29 is: 228,426.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,622.15 : 827,416.76 = 152,287.29 : x
  2. Step 2: Convert to fraction form
    551,622.15/827,416.76 = 152,287.29/x
  3. Step 3: Cross multiply
    551,622.15x = 827,416.76 × 152,287.29
  4. Step 4: Simplify right side
    551,622.15x = 126,005,055,319.54
  5. Step 5: Solve for x
    x = 126,005,055,319.54/551,622.15
  6. Step 6: Final answer
    x = 228,426.39

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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.