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Finding the Fourth Proportional to 353,290.27, 529,923.24 and 100,572.31

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Solution

The fourth proportional to 353,290.27, 529,923.24 and 100,572.31 is: 150,855.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,290.27 : 529,923.24 = 100,572.31 : x
  2. Step 2: Convert to fraction form
    353,290.27/529,923.24 = 100,572.31/x
  3. Step 3: Cross multiply
    353,290.27x = 529,923.24 × 100,572.31
  4. Step 4: Simplify right side
    353,290.27x = 53,295,604,369.48
  5. Step 5: Solve for x
    x = 53,295,604,369.48/353,290.27
  6. Step 6: Final answer
    x = 150,855.00

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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.