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Finding the Fourth Proportional to 364,519.40, 547,435.20 and 264,792.20

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Solution

The fourth proportional to 364,519.40, 547,435.20 and 264,792.20 is: 397,664.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,519.40 : 547,435.20 = 264,792.20 : x
  2. Step 2: Convert to fraction form
    364,519.40/547,435.20 = 264,792.20/x
  3. Step 3: Cross multiply
    364,519.40x = 547,435.20 × 264,792.20
  4. Step 4: Simplify right side
    364,519.40x = 144,956,570,965.44
  5. Step 5: Solve for x
    x = 144,956,570,965.44/364,519.40
  6. Step 6: Final answer
    x = 397,664.90

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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.