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Finding the Fourth Proportional to 576,173.60, 795,046.21 and 321,535.52

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Solution

The fourth proportional to 576,173.60, 795,046.21 and 321,535.52 is: 443,678.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,173.60 : 795,046.21 = 321,535.52 : x
  2. Step 2: Convert to fraction form
    576,173.60/795,046.21 = 321,535.52/x
  3. Step 3: Cross multiply
    576,173.60x = 795,046.21 × 321,535.52
  4. Step 4: Simplify right side
    576,173.60x = 255,635,596,556.38
  5. Step 5: Solve for x
    x = 255,635,596,556.38/576,173.60
  6. Step 6: Final answer
    x = 443,678.08

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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.