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Finding the Fourth Proportional to 554,284.52, 765,120.63 and 363,310.22

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Solution

The fourth proportional to 554,284.52, 765,120.63 and 363,310.22 is: 501,504.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,284.52 : 765,120.63 = 363,310.22 : x
  2. Step 2: Convert to fraction form
    554,284.52/765,120.63 = 363,310.22/x
  3. Step 3: Cross multiply
    554,284.52x = 765,120.63 × 363,310.22
  4. Step 4: Simplify right side
    554,284.52x = 277,976,144,411.84
  5. Step 5: Solve for x
    x = 277,976,144,411.84/554,284.52
  6. Step 6: Final answer
    x = 501,504.43

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Double scale
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Similar ratio
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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.