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Finding the Fourth Proportional to 367,413.90, 550,607.58 and 198,570.21

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Solution

The fourth proportional to 367,413.90, 550,607.58 and 198,570.21 is: 297,577.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,413.90 : 550,607.58 = 198,570.21 : x
  2. Step 2: Convert to fraction form
    367,413.90/550,607.58 = 198,570.21/x
  3. Step 3: Cross multiply
    367,413.90x = 550,607.58 × 198,570.21
  4. Step 4: Simplify right side
    367,413.90x = 109,334,262,788.19
  5. Step 5: Solve for x
    x = 109,334,262,788.19/367,413.90
  6. Step 6: Final answer
    x = 297,577.92

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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.