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Finding the Fourth Proportional to 353,618.95, 488,004.46 and 192,484.39

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Solution

The fourth proportional to 353,618.95, 488,004.46 and 192,484.39 is: 265,634.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,618.95 : 488,004.46 = 192,484.39 : x
  2. Step 2: Convert to fraction form
    353,618.95/488,004.46 = 192,484.39/x
  3. Step 3: Cross multiply
    353,618.95x = 488,004.46 × 192,484.39
  4. Step 4: Simplify right side
    353,618.95x = 93,933,240,800.38
  5. Step 5: Solve for x
    x = 93,933,240,800.38/353,618.95
  6. Step 6: Final answer
    x = 265,634.07

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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.