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Finding the Fourth Proportional to 567,870.30, 851,621.06 and 188,689.23

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Solution

The fourth proportional to 567,870.30, 851,621.06 and 188,689.23 is: 282,972.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,870.30 : 851,621.06 = 188,689.23 : x
  2. Step 2: Convert to fraction form
    567,870.30/851,621.06 = 188,689.23/x
  3. Step 3: Cross multiply
    567,870.30x = 851,621.06 × 188,689.23
  4. Step 4: Simplify right side
    567,870.30x = 160,691,722,534.91
  5. Step 5: Solve for x
    x = 160,691,722,534.91/567,870.30
  6. Step 6: Final answer
    x = 282,972.58

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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.