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Finding the Fourth Proportional to 314,482.76, 433,993.99 and 171,250.60

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Solution

The fourth proportional to 314,482.76, 433,993.99 and 171,250.60 is: 236,330.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,482.76 : 433,993.99 = 171,250.60 : x
  2. Step 2: Convert to fraction form
    314,482.76/433,993.99 = 171,250.60/x
  3. Step 3: Cross multiply
    314,482.76x = 433,993.99 × 171,250.60
  4. Step 4: Simplify right side
    314,482.76x = 74,321,728,585.80
  5. Step 5: Solve for x
    x = 74,321,728,585.80/314,482.76
  6. Step 6: Final answer
    x = 236,330.06

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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.