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Finding the Fourth Proportional to 352,483.44, 486,413.98 and 191,335.04

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Solution

The fourth proportional to 352,483.44, 486,413.98 and 191,335.04 is: 264,035.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,483.44 : 486,413.98 = 191,335.04 : x
  2. Step 2: Convert to fraction form
    352,483.44/486,413.98 = 191,335.04/x
  3. Step 3: Cross multiply
    352,483.44x = 486,413.98 × 191,335.04
  4. Step 4: Simplify right side
    352,483.44x = 93,068,038,319.86
  5. Step 5: Solve for x
    x = 93,068,038,319.86/352,483.44
  6. Step 6: Final answer
    x = 264,035.21

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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.