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Finding the Fourth Proportional to 467,706.99, 645,419.93 and 295,717.53

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Solution

The fourth proportional to 467,706.99, 645,419.93 and 295,717.53 is: 408,080.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,706.99 : 645,419.93 = 295,717.53 : x
  2. Step 2: Convert to fraction form
    467,706.99/645,419.93 = 295,717.53/x
  3. Step 3: Cross multiply
    467,706.99x = 645,419.93 × 295,717.53
  4. Step 4: Simplify right side
    467,706.99x = 190,861,987,512.37
  5. Step 5: Solve for x
    x = 190,861,987,512.37/467,706.99
  6. Step 6: Final answer
    x = 408,080.25

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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.