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Finding the Fourth Proportional to 508,315.35, 762,251.53 and 171,293.19

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Solution

The fourth proportional to 508,315.35, 762,251.53 and 171,293.19 is: 256,865.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,315.35 : 762,251.53 = 171,293.19 : x
  2. Step 2: Convert to fraction form
    508,315.35/762,251.53 = 171,293.19/x
  3. Step 3: Cross multiply
    508,315.35x = 762,251.53 × 171,293.19
  4. Step 4: Simplify right side
    508,315.35x = 130,568,496,156.08
  5. Step 5: Solve for x
    x = 130,568,496,156.08/508,315.35
  6. Step 6: Final answer
    x = 256,865.15

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1.5x scale

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.