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Finding the Fourth Proportional to 370,175.33, 510,795 and 217,157.69

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Solution

The fourth proportional to 370,175.33, 510,795 and 217,157.69 is: 299,650.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,175.33 : 510,795 = 217,157.69 : x
  2. Step 2: Convert to fraction form
    370,175.33/510,795 = 217,157.69/x
  3. Step 3: Cross multiply
    370,175.33x = 510,795 × 217,157.69
  4. Step 4: Simplify right side
    370,175.33x = 110,923,064,498.28
  5. Step 5: Solve for x
    x = 110,923,064,498.28/370,175.33
  6. Step 6: Final answer
    x = 299,650.07

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1.5x scale

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.