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Finding the Fourth Proportional to 574,136.82, 859,098.93 and 479,132.47

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Solution

The fourth proportional to 574,136.82, 859,098.93 and 479,132.47 is: 716,940.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,136.82 : 859,098.93 = 479,132.47 : x
  2. Step 2: Convert to fraction form
    574,136.82/859,098.93 = 479,132.47/x
  3. Step 3: Cross multiply
    574,136.82x = 859,098.93 × 479,132.47
  4. Step 4: Simplify right side
    574,136.82x = 411,622,192,305.26
  5. Step 5: Solve for x
    x = 411,622,192,305.26/574,136.82
  6. Step 6: Final answer
    x = 716,940.94

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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.