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Finding the Fourth Proportional to 567,279.93, 851,021.10 and 188,223.42

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Solution

The fourth proportional to 567,279.93, 851,021.10 and 188,223.42 is: 282,368.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,279.93 : 851,021.10 = 188,223.42 : x
  2. Step 2: Convert to fraction form
    567,279.93/851,021.10 = 188,223.42/x
  3. Step 3: Cross multiply
    567,279.93x = 851,021.10 × 188,223.42
  4. Step 4: Simplify right side
    567,279.93x = 160,182,101,934.16
  5. Step 5: Solve for x
    x = 160,182,101,934.16/567,279.93
  6. Step 6: Final answer
    x = 282,368.71

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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.