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Finding the Fourth Proportional to 382,019.80, 573,029.70 and 349,360.60

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Solution

The fourth proportional to 382,019.80, 573,029.70 and 349,360.60 is: 524,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,019.80 : 573,029.70 = 349,360.60 : x
  2. Step 2: Convert to fraction form
    382,019.80/573,029.70 = 349,360.60/x
  3. Step 3: Cross multiply
    382,019.80x = 573,029.70 × 349,360.60
  4. Step 4: Simplify right side
    382,019.80x = 200,193,999,809.82
  5. Step 5: Solve for x
    x = 200,193,999,809.82/382,019.80
  6. Step 6: Final answer
    x = 524,040.90

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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.