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Finding the Fourth Proportional to 324,086.10, 486,064.35 and 155,606.10

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Solution

The fourth proportional to 324,086.10, 486,064.35 and 155,606.10 is: 233,378.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,086.10 : 486,064.35 = 155,606.10 : x
  2. Step 2: Convert to fraction form
    324,086.10/486,064.35 = 155,606.10/x
  3. Step 3: Cross multiply
    324,086.10x = 486,064.35 × 155,606.10
  4. Step 4: Simplify right side
    324,086.10x = 75,634,577,852.54
  5. Step 5: Solve for x
    x = 75,634,577,852.54/324,086.10
  6. Step 6: Final answer
    x = 233,378.04

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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.