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Finding the Fourth Proportional to 483,358.20, 725,037.30 and 448,366.20

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Solution

The fourth proportional to 483,358.20, 725,037.30 and 448,366.20 is: 672,549.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,358.20 : 725,037.30 = 448,366.20 : x
  2. Step 2: Convert to fraction form
    483,358.20/725,037.30 = 448,366.20/x
  3. Step 3: Cross multiply
    483,358.20x = 725,037.30 × 448,366.20
  4. Step 4: Simplify right side
    483,358.20x = 325,082,219,059.26
  5. Step 5: Solve for x
    x = 325,082,219,059.26/483,358.20
  6. Step 6: Final answer
    x = 672,549.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.