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Finding the Fourth Proportional to 587,276.02, 810,497.74 and 329,196.80

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Solution

The fourth proportional to 587,276.02, 810,497.74 and 329,196.80 is: 454,323.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,276.02 : 810,497.74 = 329,196.80 : x
  2. Step 2: Convert to fraction form
    587,276.02/810,497.74 = 329,196.80/x
  3. Step 3: Cross multiply
    587,276.02x = 810,497.74 × 329,196.80
  4. Step 4: Simplify right side
    587,276.02x = 266,813,262,415.23
  5. Step 5: Solve for x
    x = 266,813,262,415.23/587,276.02
  6. Step 6: Final answer
    x = 454,323.44

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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.