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Finding the Fourth Proportional to 577,973.11, 866,012.95 and 307,814.42

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Solution

The fourth proportional to 577,973.11, 866,012.95 and 307,814.42 is: 461,217.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,973.11 : 866,012.95 = 307,814.42 : x
  2. Step 2: Convert to fraction form
    577,973.11/866,012.95 = 307,814.42/x
  3. Step 3: Cross multiply
    577,973.11x = 866,012.95 × 307,814.42
  4. Step 4: Simplify right side
    577,973.11x = 266,571,275,208.33
  5. Step 5: Solve for x
    x = 266,571,275,208.33/577,973.11
  6. Step 6: Final answer
    x = 461,217.44

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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.