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Finding the Fourth Proportional to 463,531.20, 695,296.80 and 214,699.20

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Solution

The fourth proportional to 463,531.20, 695,296.80 and 214,699.20 is: 322,048.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,531.20 : 695,296.80 = 214,699.20 : x
  2. Step 2: Convert to fraction form
    463,531.20/695,296.80 = 214,699.20/x
  3. Step 3: Cross multiply
    463,531.20x = 695,296.80 × 214,699.20
  4. Step 4: Simplify right side
    463,531.20x = 149,279,666,722.56
  5. Step 5: Solve for x
    x = 149,279,666,722.56/463,531.20
  6. Step 6: Final answer
    x = 322,048.80

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Similar ratio
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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.