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Finding the Fourth Proportional to 551,555.85, 827,381.46 and 152,196.64

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Solution

The fourth proportional to 551,555.85, 827,381.46 and 152,196.64 is: 228,308.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,555.85 : 827,381.46 = 152,196.64 : x
  2. Step 2: Convert to fraction form
    551,555.85/827,381.46 = 152,196.64/x
  3. Step 3: Cross multiply
    551,555.85x = 827,381.46 × 152,196.64
  4. Step 4: Simplify right side
    551,555.85x = 125,924,679,815.26
  5. Step 5: Solve for x
    x = 125,924,679,815.26/551,555.85
  6. Step 6: Final answer
    x = 228,308.12

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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.