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Finding the Fourth Proportional to 656,804.35, 985,595.64 and 277,704.37

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Solution

The fourth proportional to 656,804.35, 985,595.64 and 277,704.37 is: 416,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,804.35 : 985,595.64 = 277,704.37 : x
  2. Step 2: Convert to fraction form
    656,804.35/985,595.64 = 277,704.37/x
  3. Step 3: Cross multiply
    656,804.35x = 985,595.64 × 277,704.37
  4. Step 4: Simplify right side
    656,804.35x = 273,704,216,280.95
  5. Step 5: Solve for x
    x = 273,704,216,280.95/656,804.35
  6. Step 6: Final answer
    x = 416,721.08

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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.