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Finding the Fourth Proportional to 423,967.80, 635,271.30 and 224,027.40

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Solution

The fourth proportional to 423,967.80, 635,271.30 and 224,027.40 is: 335,681.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,967.80 : 635,271.30 = 224,027.40 : x
  2. Step 2: Convert to fraction form
    423,967.80/635,271.30 = 224,027.40/x
  3. Step 3: Cross multiply
    423,967.80x = 635,271.30 × 224,027.40
  4. Step 4: Simplify right side
    423,967.80x = 142,318,177,633.62
  5. Step 5: Solve for x
    x = 142,318,177,633.62/423,967.80
  6. Step 6: Final answer
    x = 335,681.57

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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.