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Finding the Fourth Proportional to 347,074.04, 520,016.92 and 189,413.22

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Solution

The fourth proportional to 347,074.04, 520,016.92 and 189,413.22 is: 283,795.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,074.04 : 520,016.92 = 189,413.22 : x
  2. Step 2: Convert to fraction form
    347,074.04/520,016.92 = 189,413.22/x
  3. Step 3: Cross multiply
    347,074.04x = 520,016.92 × 189,413.22
  4. Step 4: Simplify right side
    347,074.04x = 98,498,079,271.68
  5. Step 5: Solve for x
    x = 98,498,079,271.68/347,074.04
  6. Step 6: Final answer
    x = 283,795.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.