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Finding the Fourth Proportional to 508,554.52, 762,847.50 and 255,845.29

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Solution

The fourth proportional to 508,554.52, 762,847.50 and 255,845.29 is: 383,775.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,554.52 : 762,847.50 = 255,845.29 : x
  2. Step 2: Convert to fraction form
    508,554.52/762,847.50 = 255,845.29/x
  3. Step 3: Cross multiply
    508,554.52x = 762,847.50 × 255,845.29
  4. Step 4: Simplify right side
    508,554.52x = 195,170,939,863.28
  5. Step 5: Solve for x
    x = 195,170,939,863.28/508,554.52
  6. Step 6: Final answer
    x = 383,775.84

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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.