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Finding the Fourth Proportional to 577,921.92, 797,592.32 and 332,915.12

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Solution

The fourth proportional to 577,921.92, 797,592.32 and 332,915.12 is: 459,457.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,921.92 : 797,592.32 = 332,915.12 : x
  2. Step 2: Convert to fraction form
    577,921.92/797,592.32 = 332,915.12/x
  3. Step 3: Cross multiply
    577,921.92x = 797,592.32 × 332,915.12
  4. Step 4: Simplify right side
    577,921.92x = 265,530,542,923.88
  5. Step 5: Solve for x
    x = 265,530,542,923.88/577,921.92
  6. Step 6: Final answer
    x = 459,457.47

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Half scale
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Double scale
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Similar ratio
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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.