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Finding the Fourth Proportional to 576,208.48, 795,242.92 and 321,612.52

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Solution

The fourth proportional to 576,208.48, 795,242.92 and 321,612.52 is: 443,867.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,208.48 : 795,242.92 = 321,612.52 : x
  2. Step 2: Convert to fraction form
    576,208.48/795,242.92 = 321,612.52/x
  3. Step 3: Cross multiply
    576,208.48x = 795,242.92 × 321,612.52
  4. Step 4: Simplify right side
    576,208.48x = 255,760,079,513.36
  5. Step 5: Solve for x
    x = 255,760,079,513.36/576,208.48
  6. Step 6: Final answer
    x = 443,867.26

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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.