Home / 278,458.24-416,980.80-233,361.04

Finding the Fourth Proportional to 278,458.24, 416,980.80 and 233,361.04

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Solution

The fourth proportional to 278,458.24, 416,980.80 and 233,361.04 is: 349,449.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,458.24 : 416,980.80 = 233,361.04 : x
  2. Step 2: Convert to fraction form
    278,458.24/416,980.80 = 233,361.04/x
  3. Step 3: Cross multiply
    278,458.24x = 416,980.80 × 233,361.04
  4. Step 4: Simplify right side
    278,458.24x = 97,307,073,148.03
  5. Step 5: Solve for x
    x = 97,307,073,148.03/278,458.24
  6. Step 6: Final answer
    x = 349,449.43

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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.