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Finding the Fourth Proportional to 216,406.82, 298,152.60 and 150,933.08

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Solution

The fourth proportional to 216,406.82, 298,152.60 and 150,933.08 is: 207,946.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,406.82 : 298,152.60 = 150,933.08 : x
  2. Step 2: Convert to fraction form
    216,406.82/298,152.60 = 150,933.08/x
  3. Step 3: Cross multiply
    216,406.82x = 298,152.60 × 150,933.08
  4. Step 4: Simplify right side
    216,406.82x = 45,001,090,228.01
  5. Step 5: Solve for x
    x = 45,001,090,228.01/216,406.82
  6. Step 6: Final answer
    x = 207,946.73

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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.