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Finding the Fourth Proportional to 567,870.06, 851,620.70 and 188,688.96

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Solution

The fourth proportional to 567,870.06, 851,620.70 and 188,688.96 is: 282,972.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,870.06 : 851,620.70 = 188,688.96 : x
  2. Step 2: Convert to fraction form
    567,870.06/851,620.70 = 188,688.96/x
  3. Step 3: Cross multiply
    567,870.06x = 851,620.70 × 188,688.96
  4. Step 4: Simplify right side
    567,870.06x = 160,691,424,197.47
  5. Step 5: Solve for x
    x = 160,691,424,197.47/567,870.06
  6. Step 6: Final answer
    x = 282,972.17

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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.