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Finding the Fourth Proportional to 599,658.63, 827,448.95 and 385,089.32

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Solution

The fourth proportional to 599,658.63, 827,448.95 and 385,089.32 is: 531,371.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,658.63 : 827,448.95 = 385,089.32 : x
  2. Step 2: Convert to fraction form
    599,658.63/827,448.95 = 385,089.32/x
  3. Step 3: Cross multiply
    599,658.63x = 827,448.95 × 385,089.32
  4. Step 4: Simplify right side
    599,658.63x = 318,641,756,521.56
  5. Step 5: Solve for x
    x = 318,641,756,521.56/599,658.63
  6. Step 6: Final answer
    x = 531,371.92

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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.