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Finding the Fourth Proportional to 562,027.08, 774,687.06 and 439,305.60

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Solution

The fourth proportional to 562,027.08, 774,687.06 and 439,305.60 is: 605,530.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,027.08 : 774,687.06 = 439,305.60 : x
  2. Step 2: Convert to fraction form
    562,027.08/774,687.06 = 439,305.60/x
  3. Step 3: Cross multiply
    562,027.08x = 774,687.06 × 439,305.60
  4. Step 4: Simplify right side
    562,027.08x = 340,324,363,705.54
  5. Step 5: Solve for x
    x = 340,324,363,705.54/562,027.08
  6. Step 6: Final answer
    x = 605,530.19

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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.