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Finding the Fourth Proportional to 576,483.33, 865,249.80 and 306,837.90

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Solution

The fourth proportional to 576,483.33, 865,249.80 and 306,837.90 is: 460,536.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,483.33 : 865,249.80 = 306,837.90 : x
  2. Step 2: Convert to fraction form
    576,483.33/865,249.80 = 306,837.90/x
  3. Step 3: Cross multiply
    576,483.33x = 865,249.80 × 306,837.90
  4. Step 4: Simplify right side
    576,483.33x = 265,491,431,607.42
  5. Step 5: Solve for x
    x = 265,491,431,607.42/576,483.33
  6. Step 6: Final answer
    x = 460,536.18

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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.