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Finding the Fourth Proportional to 618,045.34, 927,334.39 and 333,679.42

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Solution

The fourth proportional to 618,045.34, 927,334.39 and 333,679.42 is: 500,662.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,045.34 : 927,334.39 = 333,679.42 : x
  2. Step 2: Convert to fraction form
    618,045.34/927,334.39 = 333,679.42/x
  3. Step 3: Cross multiply
    618,045.34x = 927,334.39 × 333,679.42
  4. Step 4: Simplify right side
    618,045.34x = 309,432,401,401.25
  5. Step 5: Solve for x
    x = 309,432,401,401.25/618,045.34
  6. Step 6: Final answer
    x = 500,662.95

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1.5x scale

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.