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Finding the Fourth Proportional to 551,798.34, 827,713.14 and 152,439.18

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Solution

The fourth proportional to 551,798.34, 827,713.14 and 152,439.18 is: 228,663.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,798.34 : 827,713.14 = 152,439.18 : x
  2. Step 2: Convert to fraction form
    551,798.34/827,713.14 = 152,439.18/x
  3. Step 3: Cross multiply
    551,798.34x = 827,713.14 × 152,439.18
  4. Step 4: Simplify right side
    551,798.34x = 126,175,912,336.83
  5. Step 5: Solve for x
    x = 126,175,912,336.83/551,798.34
  6. Step 6: Final answer
    x = 228,663.09

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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.