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Finding the Fourth Proportional to 585,462.52, 807,927.78 and 330,808.24

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Solution

The fourth proportional to 585,462.52, 807,927.78 and 330,808.24 is: 456,509.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,462.52 : 807,927.78 = 330,808.24 : x
  2. Step 2: Convert to fraction form
    585,462.52/807,927.78 = 330,808.24/x
  3. Step 3: Cross multiply
    585,462.52x = 807,927.78 × 330,808.24
  4. Step 4: Simplify right side
    585,462.52x = 267,269,166,948.91
  5. Step 5: Solve for x
    x = 267,269,166,948.91/585,462.52
  6. Step 6: Final answer
    x = 456,509.44

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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.