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Finding the Fourth Proportional to 608,475.56, 912,519.24 and 209,020.01

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Solution

The fourth proportional to 608,475.56, 912,519.24 and 209,020.01 is: 313,463.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,475.56 : 912,519.24 = 209,020.01 : x
  2. Step 2: Convert to fraction form
    608,475.56/912,519.24 = 209,020.01/x
  3. Step 3: Cross multiply
    608,475.56x = 912,519.24 × 209,020.01
  4. Step 4: Simplify right side
    608,475.56x = 190,734,782,167.47
  5. Step 5: Solve for x
    x = 190,734,782,167.47/608,475.56
  6. Step 6: Final answer
    x = 313,463.34

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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.