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Finding the Fourth Proportional to 584,797.88, 807,021.27 and 330,165.47

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Solution

The fourth proportional to 584,797.88, 807,021.27 and 330,165.47 is: 455,628.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,797.88 : 807,021.27 = 330,165.47 : x
  2. Step 2: Convert to fraction form
    584,797.88/807,021.27 = 330,165.47/x
  3. Step 3: Cross multiply
    584,797.88x = 807,021.27 × 330,165.47
  4. Step 4: Simplify right side
    584,797.88x = 266,450,556,909.55
  5. Step 5: Solve for x
    x = 266,450,556,909.55/584,797.88
  6. Step 6: Final answer
    x = 455,628.46

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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.