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Finding the Fourth Proportional to 576,285.48, 795,274.92 and 321,636.60

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Solution

The fourth proportional to 576,285.48, 795,274.92 and 321,636.60 is: 443,859.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,285.48 : 795,274.92 = 321,636.60 : x
  2. Step 2: Convert to fraction form
    576,285.48/795,274.92 = 321,636.60/x
  3. Step 3: Cross multiply
    576,285.48x = 795,274.92 × 321,636.60
  4. Step 4: Simplify right side
    576,285.48x = 255,789,521,334.07
  5. Step 5: Solve for x
    x = 255,789,521,334.07/576,285.48
  6. Step 6: Final answer
    x = 443,859.04

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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.