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Finding the Fourth Proportional to 384,525.44, 576,413.25 and 153,645.62

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Solution

The fourth proportional to 384,525.44, 576,413.25 and 153,645.62 is: 230,318.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,525.44 : 576,413.25 = 153,645.62 : x
  2. Step 2: Convert to fraction form
    384,525.44/576,413.25 = 153,645.62/x
  3. Step 3: Cross multiply
    384,525.44x = 576,413.25 × 153,645.62
  4. Step 4: Simplify right side
    384,525.44x = 88,563,371,172.47
  5. Step 5: Solve for x
    x = 88,563,371,172.47/384,525.44
  6. Step 6: Final answer
    x = 230,318.63

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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.