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Finding the Fourth Proportional to 370,693.49, 511,611.66 and 234,739.85

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Solution

The fourth proportional to 370,693.49, 511,611.66 and 234,739.85 is: 323,975.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,693.49 : 511,611.66 = 234,739.85 : x
  2. Step 2: Convert to fraction form
    370,693.49/511,611.66 = 234,739.85/x
  3. Step 3: Cross multiply
    370,693.49x = 511,611.66 × 234,739.85
  4. Step 4: Simplify right side
    370,693.49x = 120,095,641,768.59
  5. Step 5: Solve for x
    x = 120,095,641,768.59/370,693.49
  6. Step 6: Final answer
    x = 323,975.59

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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.