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Finding the Fourth Proportional to 633,896.81, 874,775.86 and 343,516.43

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Solution

The fourth proportional to 633,896.81, 874,775.86 and 343,516.43 is: 474,051.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,896.81 : 874,775.86 = 343,516.43 : x
  2. Step 2: Convert to fraction form
    633,896.81/874,775.86 = 343,516.43/x
  3. Step 3: Cross multiply
    633,896.81x = 874,775.86 × 343,516.43
  4. Step 4: Simplify right side
    633,896.81x = 300,499,880,477.38
  5. Step 5: Solve for x
    x = 300,499,880,477.38/633,896.81
  6. Step 6: Final answer
    x = 474,051.73

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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.