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Finding the Fourth Proportional to 353,413.87, 487,700.04 and 192,264.82

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Solution

The fourth proportional to 353,413.87, 487,700.04 and 192,264.82 is: 265,319.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,413.87 : 487,700.04 = 192,264.82 : x
  2. Step 2: Convert to fraction form
    353,413.87/487,700.04 = 192,264.82/x
  3. Step 3: Cross multiply
    353,413.87x = 487,700.04 × 192,264.82
  4. Step 4: Simplify right side
    353,413.87x = 93,767,560,404.59
  5. Step 5: Solve for x
    x = 93,767,560,404.59/353,413.87
  6. Step 6: Final answer
    x = 265,319.41

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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.