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Finding the Fourth Proportional to 576,705.13, 795,410.76 and 347,022.97

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Solution

The fourth proportional to 576,705.13, 795,410.76 and 347,022.97 is: 478,625.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,705.13 : 795,410.76 = 347,022.97 : x
  2. Step 2: Convert to fraction form
    576,705.13/795,410.76 = 347,022.97/x
  3. Step 3: Cross multiply
    576,705.13x = 795,410.76 × 347,022.97
  4. Step 4: Simplify right side
    576,705.13x = 276,025,804,305.16
  5. Step 5: Solve for x
    x = 276,025,804,305.16/576,705.13
  6. Step 6: Final answer
    x = 478,625.54

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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.