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Finding the Fourth Proportional to 441,021.84, 660,700.32 and 260,568.84

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Solution

The fourth proportional to 441,021.84, 660,700.32 and 260,568.84 is: 390,361.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,021.84 : 660,700.32 = 260,568.84 : x
  2. Step 2: Convert to fraction form
    441,021.84/660,700.32 = 260,568.84/x
  3. Step 3: Cross multiply
    441,021.84x = 660,700.32 × 260,568.84
  4. Step 4: Simplify right side
    441,021.84x = 172,157,915,970.03
  5. Step 5: Solve for x
    x = 172,157,915,970.03/441,021.84
  6. Step 6: Final answer
    x = 390,361.43

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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.