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Finding the Fourth Proportional to 382,208.80, 573,140.40 and 171,738.40

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Solution

The fourth proportional to 382,208.80, 573,140.40 and 171,738.40 is: 257,529.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,208.80 : 573,140.40 = 171,738.40 : x
  2. Step 2: Convert to fraction form
    382,208.80/573,140.40 = 171,738.40/x
  3. Step 3: Cross multiply
    382,208.80x = 573,140.40 × 171,738.40
  4. Step 4: Simplify right side
    382,208.80x = 98,430,215,271.36
  5. Step 5: Solve for x
    x = 98,430,215,271.36/382,208.80
  6. Step 6: Final answer
    x = 257,529.96

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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.