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Finding the Fourth Proportional to 296,425.53, 444,319.43 and 128,025.05

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Solution

The fourth proportional to 296,425.53, 444,319.43 and 128,025.05 is: 191,899.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,425.53 : 444,319.43 = 128,025.05 : x
  2. Step 2: Convert to fraction form
    296,425.53/444,319.43 = 128,025.05/x
  3. Step 3: Cross multiply
    296,425.53x = 444,319.43 × 128,025.05
  4. Step 4: Simplify right side
    296,425.53x = 56,884,014,380.00
  5. Step 5: Solve for x
    x = 56,884,014,380.00/296,425.53
  6. Step 6: Final answer
    x = 191,899.85

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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.