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Finding the Fourth Proportional to 449,993.40, 675,767.70 and 240,041.40

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Solution

The fourth proportional to 449,993.40, 675,767.70 and 240,041.40 is: 360,476.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,993.40 : 675,767.70 = 240,041.40 : x
  2. Step 2: Convert to fraction form
    449,993.40/675,767.70 = 240,041.40/x
  3. Step 3: Cross multiply
    449,993.40x = 675,767.70 × 240,041.40
  4. Step 4: Simplify right side
    449,993.40x = 162,212,224,782.78
  5. Step 5: Solve for x
    x = 162,212,224,782.78/449,993.40
  6. Step 6: Final answer
    x = 360,476.90

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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.