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Finding the Fourth Proportional to 605,710.91, 835,869.58 and 333,803.94

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Solution

The fourth proportional to 605,710.91, 835,869.58 and 333,803.94 is: 460,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,710.91 : 835,869.58 = 333,803.94 : x
  2. Step 2: Convert to fraction form
    605,710.91/835,869.58 = 333,803.94/x
  3. Step 3: Cross multiply
    605,710.91x = 835,869.58 × 333,803.94
  4. Step 4: Simplify right side
    605,710.91x = 279,016,555,161.12
  5. Step 5: Solve for x
    x = 279,016,555,161.12/605,710.91
  6. Step 6: Final answer
    x = 460,643.10

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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.