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Finding the Fourth Proportional to 288,241.95, 397,880.03 and 173,525.93

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Solution

The fourth proportional to 288,241.95, 397,880.03 and 173,525.93 is: 239,529.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,241.95 : 397,880.03 = 173,525.93 : x
  2. Step 2: Convert to fraction form
    288,241.95/397,880.03 = 173,525.93/x
  3. Step 3: Cross multiply
    288,241.95x = 397,880.03 × 173,525.93
  4. Step 4: Simplify right side
    288,241.95x = 69,042,500,244.78
  5. Step 5: Solve for x
    x = 69,042,500,244.78/288,241.95
  6. Step 6: Final answer
    x = 239,529.68

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1.5x scale

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.