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Finding the Fourth Proportional to 576,936.50, 865,597.01 and 363,457.95

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Solution

The fourth proportional to 576,936.50, 865,597.01 and 363,457.95 is: 545,308.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,936.50 : 865,597.01 = 363,457.95 : x
  2. Step 2: Convert to fraction form
    576,936.50/865,597.01 = 363,457.95/x
  3. Step 3: Cross multiply
    576,936.50x = 865,597.01 × 363,457.95
  4. Step 4: Simplify right side
    576,936.50x = 314,608,112,963.44
  5. Step 5: Solve for x
    x = 314,608,112,963.44/576,936.50
  6. Step 6: Final answer
    x = 545,308.05

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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.