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Finding the Fourth Proportional to 577,292, 796,660.97 and 322,643.19

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Solution

The fourth proportional to 577,292, 796,660.97 and 322,643.19 is: 445,246.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,292 : 796,660.97 = 322,643.19 : x
  2. Step 2: Convert to fraction form
    577,292/796,660.97 = 322,643.19/x
  3. Step 3: Cross multiply
    577,292x = 796,660.97 × 322,643.19
  4. Step 4: Simplify right side
    577,292x = 257,037,236,709.29
  5. Step 5: Solve for x
    x = 257,037,236,709.29/577,292
  6. Step 6: Final answer
    x = 445,246.49

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Half scale
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Double scale
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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.