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Finding the Fourth Proportional to 604,647.18, 907,105.64 and 183,955.86

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Solution

The fourth proportional to 604,647.18, 907,105.64 and 183,955.86 is: 275,974.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,647.18 : 907,105.64 = 183,955.86 : x
  2. Step 2: Convert to fraction form
    604,647.18/907,105.64 = 183,955.86/x
  3. Step 3: Cross multiply
    604,647.18x = 907,105.64 × 183,955.86
  4. Step 4: Simplify right side
    604,647.18x = 166,867,397,197.27
  5. Step 5: Solve for x
    x = 166,867,397,197.27/604,647.18
  6. Step 6: Final answer
    x = 275,974.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.