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Finding the Fourth Proportional to 567,276.94, 851,016.61 and 188,220.42

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Solution

The fourth proportional to 567,276.94, 851,016.61 and 188,220.42 is: 282,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,276.94 : 851,016.61 = 188,220.42 : x
  2. Step 2: Convert to fraction form
    567,276.94/851,016.61 = 188,220.42/x
  3. Step 3: Cross multiply
    567,276.94x = 851,016.61 × 188,220.42
  4. Step 4: Simplify right side
    567,276.94x = 160,178,701,579.24
  5. Step 5: Solve for x
    x = 160,178,701,579.24/567,276.94
  6. Step 6: Final answer
    x = 282,364.20

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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.