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Finding the Fourth Proportional to 432,694.88, 600,173.80 and 421,186.40

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Solution

The fourth proportional to 432,694.88, 600,173.80 and 421,186.40 is: 584,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,694.88 : 600,173.80 = 421,186.40 : x
  2. Step 2: Convert to fraction form
    432,694.88/600,173.80 = 421,186.40/x
  3. Step 3: Cross multiply
    432,694.88x = 600,173.80 × 421,186.40
  4. Step 4: Simplify right side
    432,694.88x = 252,785,042,196.32
  5. Step 5: Solve for x
    x = 252,785,042,196.32/432,694.88
  6. Step 6: Final answer
    x = 584,210.85

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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.