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Finding the Fourth Proportional to 296,413.40, 444,911.70 and 146,822.60

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Solution

The fourth proportional to 296,413.40, 444,911.70 and 146,822.60 is: 220,378.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,413.40 : 444,911.70 = 146,822.60 : x
  2. Step 2: Convert to fraction form
    296,413.40/444,911.70 = 146,822.60/x
  3. Step 3: Cross multiply
    296,413.40x = 444,911.70 × 146,822.60
  4. Step 4: Simplify right side
    296,413.40x = 65,323,092,564.42
  5. Step 5: Solve for x
    x = 65,323,092,564.42/296,413.40
  6. Step 6: Final answer
    x = 220,378.34

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1.5x scale

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.