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Finding the Fourth Proportional to 353,993.22, 488,508.23 and 192,848.38

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Solution

The fourth proportional to 353,993.22, 488,508.23 and 192,848.38 is: 266,129.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,993.22 : 488,508.23 = 192,848.38 : x
  2. Step 2: Convert to fraction form
    353,993.22/488,508.23 = 192,848.38/x
  3. Step 3: Cross multiply
    353,993.22x = 488,508.23 × 192,848.38
  4. Step 4: Simplify right side
    353,993.22x = 94,208,020,033.02
  5. Step 5: Solve for x
    x = 94,208,020,033.02/353,993.22
  6. Step 6: Final answer
    x = 266,129.45

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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.