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Finding the Fourth Proportional to 660,092.97, 910,772.19 and 373,613.07

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Solution

The fourth proportional to 660,092.97, 910,772.19 and 373,613.07 is: 515,497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,092.97 : 910,772.19 = 373,613.07 : x
  2. Step 2: Convert to fraction form
    660,092.97/910,772.19 = 373,613.07/x
  3. Step 3: Cross multiply
    660,092.97x = 910,772.19 × 373,613.07
  4. Step 4: Simplify right side
    660,092.97x = 340,276,393,976.52
  5. Step 5: Solve for x
    x = 340,276,393,976.52/660,092.97
  6. Step 6: Final answer
    x = 515,497.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.