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Finding the Fourth Proportional to 713,247.68, 984,216.48 and 411,383.36

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Solution

The fourth proportional to 713,247.68, 984,216.48 and 411,383.36 is: 567,671.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,247.68 : 984,216.48 = 411,383.36 : x
  2. Step 2: Convert to fraction form
    713,247.68/984,216.48 = 411,383.36/x
  3. Step 3: Cross multiply
    713,247.68x = 984,216.48 × 411,383.36
  4. Step 4: Simplify right side
    713,247.68x = 404,890,282,509.77
  5. Step 5: Solve for x
    x = 404,890,282,509.77/713,247.68
  6. Step 6: Final answer
    x = 567,671.36

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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.