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Finding the Fourth Proportional to 549,391.03, 823,917.05 and 194,323.37

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Solution

The fourth proportional to 549,391.03, 823,917.05 and 194,323.37 is: 291,425.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,391.03 : 823,917.05 = 194,323.37 : x
  2. Step 2: Convert to fraction form
    549,391.03/823,917.05 = 194,323.37/x
  3. Step 3: Cross multiply
    549,391.03x = 823,917.05 × 194,323.37
  4. Step 4: Simplify right side
    549,391.03x = 160,106,338,844.63
  5. Step 5: Solve for x
    x = 160,106,338,844.63/549,391.03
  6. Step 6: Final answer
    x = 291,425.11

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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.