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Finding the Fourth Proportional to 222,413.40, 333,620.10 and 163,510.20

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Solution

The fourth proportional to 222,413.40, 333,620.10 and 163,510.20 is: 245,265.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,413.40 : 333,620.10 = 163,510.20 : x
  2. Step 2: Convert to fraction form
    222,413.40/333,620.10 = 163,510.20/x
  3. Step 3: Cross multiply
    222,413.40x = 333,620.10 × 163,510.20
  4. Step 4: Simplify right side
    222,413.40x = 54,550,289,275.02
  5. Step 5: Solve for x
    x = 54,550,289,275.02/222,413.40
  6. Step 6: Final answer
    x = 245,265.30

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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.