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Finding the Fourth Proportional to 303,313.83, 454,906.95 and 153,413.20

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Solution

The fourth proportional to 303,313.83, 454,906.95 and 153,413.20 is: 230,087.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,313.83 : 454,906.95 = 153,413.20 : x
  2. Step 2: Convert to fraction form
    303,313.83/454,906.95 = 153,413.20/x
  3. Step 3: Cross multiply
    303,313.83x = 454,906.95 × 153,413.20
  4. Step 4: Simplify right side
    303,313.83x = 69,788,730,901.74
  5. Step 5: Solve for x
    x = 69,788,730,901.74/303,313.83
  6. Step 6: Final answer
    x = 230,087.53

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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.