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Finding the Fourth Proportional to 567,640.50, 851,687.94 and 230,707.02

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Solution

The fourth proportional to 567,640.50, 851,687.94 and 230,707.02 is: 346,152.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,640.50 : 851,687.94 = 230,707.02 : x
  2. Step 2: Convert to fraction form
    567,640.50/851,687.94 = 230,707.02/x
  3. Step 3: Cross multiply
    567,640.50x = 851,687.94 × 230,707.02
  4. Step 4: Simplify right side
    567,640.50x = 196,490,386,607.34
  5. Step 5: Solve for x
    x = 196,490,386,607.34/567,640.50
  6. Step 6: Final answer
    x = 346,152.87

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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.