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Finding the Fourth Proportional to 551,807.94, 827,703.72 and 152,439.90

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Solution

The fourth proportional to 551,807.94, 827,703.72 and 152,439.90 is: 228,657.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,807.94 : 827,703.72 = 152,439.90 : x
  2. Step 2: Convert to fraction form
    551,807.94/827,703.72 = 152,439.90/x
  3. Step 3: Cross multiply
    551,807.94x = 827,703.72 × 152,439.90
  4. Step 4: Simplify right side
    551,807.94x = 126,175,072,306.43
  5. Step 5: Solve for x
    x = 126,175,072,306.43/551,807.94
  6. Step 6: Final answer
    x = 228,657.59

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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.