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Finding the Fourth Proportional to 567,870.08, 851,620.83 and 188,688.99

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Solution

The fourth proportional to 567,870.08, 851,620.83 and 188,688.99 is: 282,972.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,870.08 : 851,620.83 = 188,688.99 : x
  2. Step 2: Convert to fraction form
    567,870.08/851,620.83 = 188,688.99/x
  3. Step 3: Cross multiply
    567,870.08x = 851,620.83 × 188,688.99
  4. Step 4: Simplify right side
    567,870.08x = 160,691,474,275.66
  5. Step 5: Solve for x
    x = 160,691,474,275.66/567,870.08
  6. Step 6: Final answer
    x = 282,972.25

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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.