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Finding the Fourth Proportional to 325,584.94, 487,590.03 and 281,495.02

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Solution

The fourth proportional to 325,584.94, 487,590.03 and 281,495.02 is: 421,561.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,584.94 : 487,590.03 = 281,495.02 : x
  2. Step 2: Convert to fraction form
    325,584.94/487,590.03 = 281,495.02/x
  3. Step 3: Cross multiply
    325,584.94x = 487,590.03 × 281,495.02
  4. Step 4: Simplify right side
    325,584.94x = 137,254,165,246.65
  5. Step 5: Solve for x
    x = 137,254,165,246.65/325,584.94
  6. Step 6: Final answer
    x = 421,561.78

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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.