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Finding the Fourth Proportional to 606,804.11, 837,409.76 and 331,177.02

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Solution

The fourth proportional to 606,804.11, 837,409.76 and 331,177.02 is: 457,035.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,804.11 : 837,409.76 = 331,177.02 : x
  2. Step 2: Convert to fraction form
    606,804.11/837,409.76 = 331,177.02/x
  3. Step 3: Cross multiply
    606,804.11x = 837,409.76 × 331,177.02
  4. Step 4: Simplify right side
    606,804.11x = 277,330,868,835.72
  5. Step 5: Solve for x
    x = 277,330,868,835.72/606,804.11
  6. Step 6: Final answer
    x = 457,035.25

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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.