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Finding the Fourth Proportional to 651,413.95, 898,951.34 and 361,044.27

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Solution

The fourth proportional to 651,413.95, 898,951.34 and 361,044.27 is: 498,241.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,413.95 : 898,951.34 = 361,044.27 : x
  2. Step 2: Convert to fraction form
    651,413.95/898,951.34 = 361,044.27/x
  3. Step 3: Cross multiply
    651,413.95x = 898,951.34 × 361,044.27
  4. Step 4: Simplify right side
    651,413.95x = 324,561,230,315.82
  5. Step 5: Solve for x
    x = 324,561,230,315.82/651,413.95
  6. Step 6: Final answer
    x = 498,241.14

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1.5x scale

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.