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Finding the Fourth Proportional to 432,690.88, 600,168.40 and 421,182.40

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Solution

The fourth proportional to 432,690.88, 600,168.40 and 421,182.40 is: 584,205.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,690.88 : 600,168.40 = 421,182.40 : x
  2. Step 2: Convert to fraction form
    432,690.88/600,168.40 = 421,182.40/x
  3. Step 3: Cross multiply
    432,690.88x = 600,168.40 × 421,182.40
  4. Step 4: Simplify right side
    432,690.88x = 252,780,367,116.16
  5. Step 5: Solve for x
    x = 252,780,367,116.16/432,690.88
  6. Step 6: Final answer
    x = 584,205.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.