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Finding the Fourth Proportional to 353,764.33, 488,203.53 and 192,628.21

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Solution

The fourth proportional to 353,764.33, 488,203.53 and 192,628.21 is: 265,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,764.33 : 488,203.53 = 192,628.21 : x
  2. Step 2: Convert to fraction form
    353,764.33/488,203.53 = 192,628.21/x
  3. Step 3: Cross multiply
    353,764.33x = 488,203.53 × 192,628.21
  4. Step 4: Simplify right side
    353,764.33x = 94,041,772,099.58
  5. Step 5: Solve for x
    x = 94,041,772,099.58/353,764.33
  6. Step 6: Final answer
    x = 265,831.70

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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.