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Finding the Fourth Proportional to 605,901.69, 836,149.89 and 333,980.01

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Solution

The fourth proportional to 605,901.69, 836,149.89 and 333,980.01 is: 460,895.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,901.69 : 836,149.89 = 333,980.01 : x
  2. Step 2: Convert to fraction form
    605,901.69/836,149.89 = 333,980.01/x
  3. Step 3: Cross multiply
    605,901.69x = 836,149.89 × 333,980.01
  4. Step 4: Simplify right side
    605,901.69x = 279,257,348,623.70
  5. Step 5: Solve for x
    x = 279,257,348,623.70/605,901.69
  6. Step 6: Final answer
    x = 460,895.48

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1.5x scale

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.