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Finding the Fourth Proportional to 576,303.17, 865,063.46 and 323,799.44

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Solution

The fourth proportional to 576,303.17, 865,063.46 and 323,799.44 is: 486,041.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,303.17 : 865,063.46 = 323,799.44 : x
  2. Step 2: Convert to fraction form
    576,303.17/865,063.46 = 323,799.44/x
  3. Step 3: Cross multiply
    576,303.17x = 865,063.46 × 323,799.44
  4. Step 4: Simplify right side
    576,303.17x = 280,107,060,396.64
  5. Step 5: Solve for x
    x = 280,107,060,396.64/576,303.17
  6. Step 6: Final answer
    x = 486,041.16

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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.