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Finding the Fourth Proportional to 235,297.47, 324,693.45 and 133,324.95

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Solution

The fourth proportional to 235,297.47, 324,693.45 and 133,324.95 is: 183,978.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,297.47 : 324,693.45 = 133,324.95 : x
  2. Step 2: Convert to fraction form
    235,297.47/324,693.45 = 133,324.95/x
  3. Step 3: Cross multiply
    235,297.47x = 324,693.45 × 133,324.95
  4. Step 4: Simplify right side
    235,297.47x = 43,289,737,986.58
  5. Step 5: Solve for x
    x = 43,289,737,986.58/235,297.47
  6. Step 6: Final answer
    x = 183,978.77

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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.