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Finding the Fourth Proportional to 288,680.44, 433,413.34 and 162,409.54

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Solution

The fourth proportional to 288,680.44, 433,413.34 and 162,409.54 is: 243,835.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,680.44 : 433,413.34 = 162,409.54 : x
  2. Step 2: Convert to fraction form
    288,680.44/433,413.34 = 162,409.54/x
  3. Step 3: Cross multiply
    288,680.44x = 433,413.34 × 162,409.54
  4. Step 4: Simplify right side
    288,680.44x = 70,390,461,179.26
  5. Step 5: Solve for x
    x = 70,390,461,179.26/288,680.44
  6. Step 6: Final answer
    x = 243,835.23

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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.