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Finding the Fourth Proportional to 353,632.45, 488,025.66 and 192,479.71

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Solution

The fourth proportional to 353,632.45, 488,025.66 and 192,479.71 is: 265,629.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,632.45 : 488,025.66 = 192,479.71 : x
  2. Step 2: Convert to fraction form
    353,632.45/488,025.66 = 192,479.71/x
  3. Step 3: Cross multiply
    353,632.45x = 488,025.66 × 192,479.71
  4. Step 4: Simplify right side
    353,632.45x = 93,935,037,509.36
  5. Step 5: Solve for x
    x = 93,935,037,509.36/353,632.45
  6. Step 6: Final answer
    x = 265,629.01

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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.