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Finding the Fourth Proportional to 353,782.46, 488,217.71 and 192,637.12

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Solution

The fourth proportional to 353,782.46, 488,217.71 and 192,637.12 is: 265,838.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,782.46 : 488,217.71 = 192,637.12 : x
  2. Step 2: Convert to fraction form
    353,782.46/488,217.71 = 192,637.12/x
  3. Step 3: Cross multiply
    353,782.46x = 488,217.71 × 192,637.12
  4. Step 4: Simplify right side
    353,782.46x = 94,048,851,403.67
  5. Step 5: Solve for x
    x = 94,048,851,403.67/353,782.46
  6. Step 6: Final answer
    x = 265,838.09

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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.