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Finding the Fourth Proportional to 490,474.15, 734,646.49 and 237,223.58

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Solution

The fourth proportional to 490,474.15, 734,646.49 and 237,223.58 is: 355,320.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,474.15 : 734,646.49 = 237,223.58 : x
  2. Step 2: Convert to fraction form
    490,474.15/734,646.49 = 237,223.58/x
  3. Step 3: Cross multiply
    490,474.15x = 734,646.49 × 237,223.58
  4. Step 4: Simplify right side
    490,474.15x = 174,275,466,125.94
  5. Step 5: Solve for x
    x = 174,275,466,125.94/490,474.15
  6. Step 6: Final answer
    x = 355,320.39

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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.