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Finding the Fourth Proportional to 617,361.60, 926,078.24 and 238,284.44

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Solution

The fourth proportional to 617,361.60, 926,078.24 and 238,284.44 is: 357,440.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,361.60 : 926,078.24 = 238,284.44 : x
  2. Step 2: Convert to fraction form
    617,361.60/926,078.24 = 238,284.44/x
  3. Step 3: Cross multiply
    617,361.60x = 926,078.24 × 238,284.44
  4. Step 4: Simplify right side
    617,361.60x = 220,670,034,814.59
  5. Step 5: Solve for x
    x = 220,670,034,814.59/617,361.60
  6. Step 6: Final answer
    x = 357,440.49

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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.