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Finding the Fourth Proportional to 576,187.82, 795,044.10 and 321,538.40

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Solution

The fourth proportional to 576,187.82, 795,044.10 and 321,538.40 is: 443,669.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,187.82 : 795,044.10 = 321,538.40 : x
  2. Step 2: Convert to fraction form
    576,187.82/795,044.10 = 321,538.40/x
  3. Step 3: Cross multiply
    576,187.82x = 795,044.10 × 321,538.40
  4. Step 4: Simplify right side
    576,187.82x = 255,637,207,843.44
  5. Step 5: Solve for x
    x = 255,637,207,843.44/576,187.82
  6. Step 6: Final answer
    x = 443,669.93

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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.