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Finding the Fourth Proportional to 633,596.14, 874,362.66 and 379,007.47

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Solution

The fourth proportional to 633,596.14, 874,362.66 and 379,007.47 is: 523,030.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,596.14 : 874,362.66 = 379,007.47 : x
  2. Step 2: Convert to fraction form
    633,596.14/874,362.66 = 379,007.47/x
  3. Step 3: Cross multiply
    633,596.14x = 874,362.66 × 379,007.47
  4. Step 4: Simplify right side
    633,596.14x = 331,389,979,629.07
  5. Step 5: Solve for x
    x = 331,389,979,629.07/633,596.14
  6. Step 6: Final answer
    x = 523,030.30

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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.