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Finding the Fourth Proportional to 576,532.48, 795,581.40 and 321,899.80

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Solution

The fourth proportional to 576,532.48, 795,581.40 and 321,899.80 is: 444,203.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,532.48 : 795,581.40 = 321,899.80 : x
  2. Step 2: Convert to fraction form
    576,532.48/795,581.40 = 321,899.80/x
  3. Step 3: Cross multiply
    576,532.48x = 795,581.40 × 321,899.80
  4. Step 4: Simplify right side
    576,532.48x = 256,097,493,543.72
  5. Step 5: Solve for x
    x = 256,097,493,543.72/576,532.48
  6. Step 6: Final answer
    x = 444,203.06

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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.