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Finding the Fourth Proportional to 400,868.95, 601,331.48 and 160,982.81

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Solution

The fourth proportional to 400,868.95, 601,331.48 and 160,982.81 is: 241,485.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,868.95 : 601,331.48 = 160,982.81 : x
  2. Step 2: Convert to fraction form
    400,868.95/601,331.48 = 160,982.81/x
  3. Step 3: Cross multiply
    400,868.95x = 601,331.48 × 160,982.81
  4. Step 4: Simplify right side
    400,868.95x = 96,804,031,391.86
  5. Step 5: Solve for x
    x = 96,804,031,391.86/400,868.95
  6. Step 6: Final answer
    x = 241,485.48

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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.