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Finding the Fourth Proportional to 268,458.55, 370,450.75 and 158,059.64

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Solution

The fourth proportional to 268,458.55, 370,450.75 and 158,059.64 is: 218,109.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,458.55 : 370,450.75 = 158,059.64 : x
  2. Step 2: Convert to fraction form
    268,458.55/370,450.75 = 158,059.64/x
  3. Step 3: Cross multiply
    268,458.55x = 370,450.75 × 158,059.64
  4. Step 4: Simplify right side
    268,458.55x = 58,553,312,182.73
  5. Step 5: Solve for x
    x = 58,553,312,182.73/268,458.55
  6. Step 6: Final answer
    x = 218,109.32

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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.