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Finding the Fourth Proportional to 662,917.92, 914,800.92 and 405,226.32

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Solution

The fourth proportional to 662,917.92, 914,800.92 and 405,226.32 is: 559,196.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,917.92 : 914,800.92 = 405,226.32 : x
  2. Step 2: Convert to fraction form
    662,917.92/914,800.92 = 405,226.32/x
  3. Step 3: Cross multiply
    662,917.92x = 914,800.92 × 405,226.32
  4. Step 4: Simplify right side
    662,917.92x = 370,701,410,344.21
  5. Step 5: Solve for x
    x = 370,701,410,344.21/662,917.92
  6. Step 6: Final answer
    x = 559,196.54

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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.