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Finding the Fourth Proportional to 713,227.95, 984,355.47 and 441,383.37

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Solution

The fourth proportional to 713,227.95, 984,355.47 and 441,383.37 is: 609,171.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,227.95 : 984,355.47 = 441,383.37 : x
  2. Step 2: Convert to fraction form
    713,227.95/984,355.47 = 441,383.37/x
  3. Step 3: Cross multiply
    713,227.95x = 984,355.47 × 441,383.37
  4. Step 4: Simplify right side
    713,227.95x = 434,478,134,626.53
  5. Step 5: Solve for x
    x = 434,478,134,626.53/713,227.95
  6. Step 6: Final answer
    x = 609,171.49

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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.