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Finding the Fourth Proportional to 353,152.05, 487,369.76 and 192,003.64

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Solution

The fourth proportional to 353,152.05, 487,369.76 and 192,003.64 is: 264,975.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,152.05 : 487,369.76 = 192,003.64 : x
  2. Step 2: Convert to fraction form
    353,152.05/487,369.76 = 192,003.64/x
  3. Step 3: Cross multiply
    353,152.05x = 487,369.76 × 192,003.64
  4. Step 4: Simplify right side
    353,152.05x = 93,576,768,218.23
  5. Step 5: Solve for x
    x = 93,576,768,218.23/353,152.05
  6. Step 6: Final answer
    x = 264,975.86

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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.