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Finding the Fourth Proportional to 370,843.26, 510,847.59 and 316,217.52

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Solution

The fourth proportional to 370,843.26, 510,847.59 and 316,217.52 is: 435,599.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,843.26 : 510,847.59 = 316,217.52 : x
  2. Step 2: Convert to fraction form
    370,843.26/510,847.59 = 316,217.52/x
  3. Step 3: Cross multiply
    370,843.26x = 510,847.59 × 316,217.52
  4. Step 4: Simplify right side
    370,843.26x = 161,538,958,007.78
  5. Step 5: Solve for x
    x = 161,538,958,007.78/370,843.26
  6. Step 6: Final answer
    x = 435,599.01

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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.