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Finding the Fourth Proportional to 313,480.32, 432,611.36 and 184,427.84

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Solution

The fourth proportional to 313,480.32, 432,611.36 and 184,427.84 is: 254,515.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,480.32 : 432,611.36 = 184,427.84 : x
  2. Step 2: Convert to fraction form
    313,480.32/432,611.36 = 184,427.84/x
  3. Step 3: Cross multiply
    313,480.32x = 432,611.36 × 184,427.84
  4. Step 4: Simplify right side
    313,480.32x = 79,785,578,684.26
  5. Step 5: Solve for x
    x = 79,785,578,684.26/313,480.32
  6. Step 6: Final answer
    x = 254,515.43

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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.