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Finding the Fourth Proportional to 508,181.02, 762,115.46 and 351,416.86

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Solution

The fourth proportional to 508,181.02, 762,115.46 and 351,416.86 is: 527,017.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,181.02 : 762,115.46 = 351,416.86 : x
  2. Step 2: Convert to fraction form
    508,181.02/762,115.46 = 351,416.86/x
  3. Step 3: Cross multiply
    508,181.02x = 762,115.46 × 351,416.86
  4. Step 4: Simplify right side
    508,181.02x = 267,820,221,910.66
  5. Step 5: Solve for x
    x = 267,820,221,910.66/508,181.02
  6. Step 6: Final answer
    x = 527,017.36

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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.