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Finding the Fourth Proportional to 366,964.54, 550,586.93 and 142,482.60

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Solution

The fourth proportional to 366,964.54, 550,586.93 and 142,482.60 is: 213,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,964.54 : 550,586.93 = 142,482.60 : x
  2. Step 2: Convert to fraction form
    366,964.54/550,586.93 = 142,482.60/x
  3. Step 3: Cross multiply
    366,964.54x = 550,586.93 × 142,482.60
  4. Step 4: Simplify right side
    366,964.54x = 78,449,057,312.42
  5. Step 5: Solve for x
    x = 78,449,057,312.42/366,964.54
  6. Step 6: Final answer
    x = 213,778.30

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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.