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Finding the Fourth Proportional to 605,900.69, 836,148.51 and 333,979.01

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Solution

The fourth proportional to 605,900.69, 836,148.51 and 333,979.01 is: 460,894.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,900.69 : 836,148.51 = 333,979.01 : x
  2. Step 2: Convert to fraction form
    605,900.69/836,148.51 = 333,979.01/x
  3. Step 3: Cross multiply
    605,900.69x = 836,148.51 × 333,979.01
  4. Step 4: Simplify right side
    605,900.69x = 279,256,047,402.03
  5. Step 5: Solve for x
    x = 279,256,047,402.03/605,900.69
  6. Step 6: Final answer
    x = 460,894.09

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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.