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Finding the Fourth Proportional to 605,698.95, 835,830.03 and 347,521.17

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Solution

The fourth proportional to 605,698.95, 835,830.03 and 347,521.17 is: 479,559.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,698.95 : 835,830.03 = 347,521.17 : x
  2. Step 2: Convert to fraction form
    605,698.95/835,830.03 = 347,521.17/x
  3. Step 3: Cross multiply
    605,698.95x = 835,830.03 × 347,521.17
  4. Step 4: Simplify right side
    605,698.95x = 290,468,629,946.74
  5. Step 5: Solve for x
    x = 290,468,629,946.74/605,698.95
  6. Step 6: Final answer
    x = 479,559.41

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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.