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Finding the Fourth Proportional to 713,268.15, 984,410.76 and 441,423.60

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Solution

The fourth proportional to 713,268.15, 984,410.76 and 441,423.60 is: 609,226.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,268.15 : 984,410.76 = 441,423.60 : x
  2. Step 2: Convert to fraction form
    713,268.15/984,410.76 = 441,423.60/x
  3. Step 3: Cross multiply
    713,268.15x = 984,410.76 × 441,423.60
  4. Step 4: Simplify right side
    713,268.15x = 434,542,141,557.94
  5. Step 5: Solve for x
    x = 434,542,141,557.94/713,268.15
  6. Step 6: Final answer
    x = 609,226.90

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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.