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Finding the Fourth Proportional to 383,763.59, 529,193.07 and 267,612.13

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Solution

The fourth proportional to 383,763.59, 529,193.07 and 267,612.13 is: 369,025.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,763.59 : 529,193.07 = 267,612.13 : x
  2. Step 2: Convert to fraction form
    383,763.59/529,193.07 = 267,612.13/x
  3. Step 3: Cross multiply
    383,763.59x = 529,193.07 × 267,612.13
  4. Step 4: Simplify right side
    383,763.59x = 141,618,483,320.96
  5. Step 5: Solve for x
    x = 141,618,483,320.96/383,763.59
  6. Step 6: Final answer
    x = 369,025.33

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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.