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Finding the Fourth Proportional to 577,393.80, 865,629.90 and 244,696.20

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Solution

The fourth proportional to 577,393.80, 865,629.90 and 244,696.20 is: 366,849.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,393.80 : 865,629.90 = 244,696.20 : x
  2. Step 2: Convert to fraction form
    577,393.80/865,629.90 = 244,696.20/x
  3. Step 3: Cross multiply
    577,393.80x = 865,629.90 × 244,696.20
  4. Step 4: Simplify right side
    577,393.80x = 211,816,347,136.38
  5. Step 5: Solve for x
    x = 211,816,347,136.38/577,393.80
  6. Step 6: Final answer
    x = 366,849.02

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Double scale
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1.5x scale

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.