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Finding the Fourth Proportional to 425,413.35, 587,074.32 and 234,433.53

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Solution

The fourth proportional to 425,413.35, 587,074.32 and 234,433.53 is: 323,520.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,413.35 : 587,074.32 = 234,433.53 : x
  2. Step 2: Convert to fraction form
    425,413.35/587,074.32 = 234,433.53/x
  3. Step 3: Cross multiply
    425,413.35x = 587,074.32 × 234,433.53
  4. Step 4: Simplify right side
    425,413.35x = 137,629,905,209.95
  5. Step 5: Solve for x
    x = 137,629,905,209.95/425,413.35
  6. Step 6: Final answer
    x = 323,520.42

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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.