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Finding the Fourth Proportional to 353,294.55, 487,548.72 and 192,150.75

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Solution

The fourth proportional to 353,294.55, 487,548.72 and 192,150.75 is: 265,169.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,294.55 : 487,548.72 = 192,150.75 : x
  2. Step 2: Convert to fraction form
    353,294.55/487,548.72 = 192,150.75/x
  3. Step 3: Cross multiply
    353,294.55x = 487,548.72 × 192,150.75
  4. Step 4: Simplify right side
    353,294.55x = 93,682,852,209.54
  5. Step 5: Solve for x
    x = 93,682,852,209.54/353,294.55
  6. Step 6: Final answer
    x = 265,169.25

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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.