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Finding the Fourth Proportional to 713,228.02, 984,355.60 and 441,383.47

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Solution

The fourth proportional to 713,228.02, 984,355.60 and 441,383.47 is: 609,171.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,228.02 : 984,355.60 = 441,383.47 : x
  2. Step 2: Convert to fraction form
    713,228.02/984,355.60 = 441,383.47/x
  3. Step 3: Cross multiply
    713,228.02x = 984,355.60 × 441,383.47
  4. Step 4: Simplify right side
    713,228.02x = 434,478,290,441.93
  5. Step 5: Solve for x
    x = 434,478,290,441.93/713,228.02
  6. Step 6: Final answer
    x = 609,171.65

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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.