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Finding the Fourth Proportional to 605,857.07, 836,078.57 and 333,925.11

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Solution

The fourth proportional to 605,857.07, 836,078.57 and 333,925.11 is: 460,814.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,857.07 : 836,078.57 = 333,925.11 : x
  2. Step 2: Convert to fraction form
    605,857.07/836,078.57 = 333,925.11/x
  3. Step 3: Cross multiply
    605,857.07x = 836,078.57 × 333,925.11
  4. Step 4: Simplify right side
    605,857.07x = 279,187,630,545.30
  5. Step 5: Solve for x
    x = 279,187,630,545.30/605,857.07
  6. Step 6: Final answer
    x = 460,814.35

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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.