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Finding the Fourth Proportional to 633,601.28, 874,362.44 and 343,207.28

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Solution

The fourth proportional to 633,601.28, 874,362.44 and 343,207.28 is: 473,622.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,601.28 : 874,362.44 = 343,207.28 : x
  2. Step 2: Convert to fraction form
    633,601.28/874,362.44 = 343,207.28/x
  3. Step 3: Cross multiply
    633,601.28x = 874,362.44 × 343,207.28
  4. Step 4: Simplify right side
    633,601.28x = 300,087,548,678.72
  5. Step 5: Solve for x
    x = 300,087,548,678.72/633,601.28
  6. Step 6: Final answer
    x = 473,622.07

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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.