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Finding the Fourth Proportional to 295,065.99, 407,255.45 and 187,615.04

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Solution

The fourth proportional to 295,065.99, 407,255.45 and 187,615.04 is: 258,949.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,065.99 : 407,255.45 = 187,615.04 : x
  2. Step 2: Convert to fraction form
    295,065.99/407,255.45 = 187,615.04/x
  3. Step 3: Cross multiply
    295,065.99x = 407,255.45 × 187,615.04
  4. Step 4: Simplify right side
    295,065.99x = 76,407,244,567.62
  5. Step 5: Solve for x
    x = 76,407,244,567.62/295,065.99
  6. Step 6: Final answer
    x = 258,949.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.