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Finding the Fourth Proportional to 303,413.34, 454,970.25 and 93,000.54

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Solution

The fourth proportional to 303,413.34, 454,970.25 and 93,000.54 is: 139,454.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,413.34 : 454,970.25 = 93,000.54 : x
  2. Step 2: Convert to fraction form
    303,413.34/454,970.25 = 93,000.54/x
  3. Step 3: Cross multiply
    303,413.34x = 454,970.25 × 93,000.54
  4. Step 4: Simplify right side
    303,413.34x = 42,312,478,933.94
  5. Step 5: Solve for x
    x = 42,312,478,933.94/303,413.34
  6. Step 6: Final answer
    x = 139,454.91

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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.