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Finding the Fourth Proportional to 366,980.35, 550,470.53 and 157,028.35

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Solution

The fourth proportional to 366,980.35, 550,470.53 and 157,028.35 is: 235,542.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,980.35 : 550,470.53 = 157,028.35 : x
  2. Step 2: Convert to fraction form
    366,980.35/550,470.53 = 157,028.35/x
  3. Step 3: Cross multiply
    366,980.35x = 550,470.53 × 157,028.35
  4. Step 4: Simplify right side
    366,980.35x = 86,439,479,049.53
  5. Step 5: Solve for x
    x = 86,439,479,049.53/366,980.35
  6. Step 6: Final answer
    x = 235,542.53

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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.