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Finding the Fourth Proportional to 605,313.95, 835,300.49 and 333,328.68

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Solution

The fourth proportional to 605,313.95, 835,300.49 and 333,328.68 is: 459,975.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,313.95 : 835,300.49 = 333,328.68 : x
  2. Step 2: Convert to fraction form
    605,313.95/835,300.49 = 333,328.68/x
  3. Step 3: Cross multiply
    605,313.95x = 835,300.49 × 333,328.68
  4. Step 4: Simplify right side
    605,313.95x = 278,429,608,068.41
  5. Step 5: Solve for x
    x = 278,429,608,068.41/605,313.95
  6. Step 6: Final answer
    x = 459,975.54

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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.