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Finding the Fourth Proportional to 551,473.20, 827,209.80 and 152,175.60

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Solution

The fourth proportional to 551,473.20, 827,209.80 and 152,175.60 is: 228,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,473.20 : 827,209.80 = 152,175.60 : x
  2. Step 2: Convert to fraction form
    551,473.20/827,209.80 = 152,175.60/x
  3. Step 3: Cross multiply
    551,473.20x = 827,209.80 × 152,175.60
  4. Step 4: Simplify right side
    551,473.20x = 125,881,147,640.88
  5. Step 5: Solve for x
    x = 125,881,147,640.88/551,473.20
  6. Step 6: Final answer
    x = 228,263.40

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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.