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Finding the Fourth Proportional to 532,369.75, 798,160.97 and 321,960.91

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Solution

The fourth proportional to 532,369.75, 798,160.97 and 321,960.91 is: 482,703.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,369.75 : 798,160.97 = 321,960.91 : x
  2. Step 2: Convert to fraction form
    532,369.75/798,160.97 = 321,960.91/x
  3. Step 3: Cross multiply
    532,369.75x = 798,160.97 × 321,960.91
  4. Step 4: Simplify right side
    532,369.75x = 256,976,630,617.88
  5. Step 5: Solve for x
    x = 256,976,630,617.88/532,369.75
  6. Step 6: Final answer
    x = 482,703.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.