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Finding the Fourth Proportional to 423,624.50, 635,699.38 and 246,215.06

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Solution

The fourth proportional to 423,624.50, 635,699.38 and 246,215.06 is: 369,475.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,624.50 : 635,699.38 = 246,215.06 : x
  2. Step 2: Convert to fraction form
    423,624.50/635,699.38 = 246,215.06/x
  3. Step 3: Cross multiply
    423,624.50x = 635,699.38 × 246,215.06
  4. Step 4: Simplify right side
    423,624.50x = 156,518,760,988.66
  5. Step 5: Solve for x
    x = 156,518,760,988.66/423,624.50
  6. Step 6: Final answer
    x = 369,475.23

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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.