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Finding the Fourth Proportional to 551,808.94, 827,705.22 and 152,440.90

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Solution

The fourth proportional to 551,808.94, 827,705.22 and 152,440.90 is: 228,659.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,808.94 : 827,705.22 = 152,440.90 : x
  2. Step 2: Convert to fraction form
    551,808.94/827,705.22 = 152,440.90/x
  3. Step 3: Cross multiply
    551,808.94x = 827,705.22 × 152,440.90
  4. Step 4: Simplify right side
    551,808.94x = 126,176,128,671.50
  5. Step 5: Solve for x
    x = 126,176,128,671.50/551,808.94
  6. Step 6: Final answer
    x = 228,659.09

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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.