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Finding the Fourth Proportional to 264,287.32, 364,716.72 and 143,428.62

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Solution

The fourth proportional to 264,287.32, 364,716.72 and 143,428.62 is: 197,931.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,287.32 : 364,716.72 = 143,428.62 : x
  2. Step 2: Convert to fraction form
    264,287.32/364,716.72 = 143,428.62/x
  3. Step 3: Cross multiply
    264,287.32x = 364,716.72 × 143,428.62
  4. Step 4: Simplify right side
    264,287.32x = 52,310,815,840.53
  5. Step 5: Solve for x
    x = 52,310,815,840.53/264,287.32
  6. Step 6: Final answer
    x = 197,931.61

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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.