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Finding the Fourth Proportional to 298,852.10, 412,413.27 and 162,886.05

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Solution

The fourth proportional to 298,852.10, 412,413.27 and 162,886.05 is: 224,781.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,852.10 : 412,413.27 = 162,886.05 : x
  2. Step 2: Convert to fraction form
    298,852.10/412,413.27 = 162,886.05/x
  3. Step 3: Cross multiply
    298,852.10x = 412,413.27 × 162,886.05
  4. Step 4: Simplify right side
    298,852.10x = 67,176,368,887.87
  5. Step 5: Solve for x
    x = 67,176,368,887.87/298,852.10
  6. Step 6: Final answer
    x = 224,781.32

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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.