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Finding the Fourth Proportional to 353,307.92, 487,571.20 and 192,166.48

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Solution

The fourth proportional to 353,307.92, 487,571.20 and 192,166.48 is: 265,193.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,307.92 : 487,571.20 = 192,166.48 : x
  2. Step 2: Convert to fraction form
    353,307.92/487,571.20 = 192,166.48/x
  3. Step 3: Cross multiply
    353,307.92x = 487,571.20 × 192,166.48
  4. Step 4: Simplify right side
    353,307.92x = 93,694,841,253.38
  5. Step 5: Solve for x
    x = 93,694,841,253.38/353,307.92
  6. Step 6: Final answer
    x = 265,193.15

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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.