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Finding the Fourth Proportional to 576,342.84, 795,365.10 and 321,704.76

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Solution

The fourth proportional to 576,342.84, 795,365.10 and 321,704.76 is: 443,959.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,342.84 : 795,365.10 = 321,704.76 : x
  2. Step 2: Convert to fraction form
    576,342.84/795,365.10 = 321,704.76/x
  3. Step 3: Cross multiply
    576,342.84x = 795,365.10 × 321,704.76
  4. Step 4: Simplify right side
    576,342.84x = 255,872,738,607.88
  5. Step 5: Solve for x
    x = 255,872,738,607.88/576,342.84
  6. Step 6: Final answer
    x = 443,959.26

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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.