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Finding the Fourth Proportional to 355,609, 533,413.50 and 92,953

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Solution

The fourth proportional to 355,609, 533,413.50 and 92,953 is: 139,429.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,609 : 533,413.50 = 92,953 : x
  2. Step 2: Convert to fraction form
    355,609/533,413.50 = 92,953/x
  3. Step 3: Cross multiply
    355,609x = 533,413.50 × 92,953
  4. Step 4: Simplify right side
    355,609x = 49,582,385,065.50
  5. Step 5: Solve for x
    x = 49,582,385,065.50/355,609
  6. Step 6: Final answer
    x = 139,429.50

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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.