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Finding the Fourth Proportional to 382,124.94, 573,192.90 and 145,480.60

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Solution

The fourth proportional to 382,124.94, 573,192.90 and 145,480.60 is: 218,222.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,124.94 : 573,192.90 = 145,480.60 : x
  2. Step 2: Convert to fraction form
    382,124.94/573,192.90 = 145,480.60/x
  3. Step 3: Cross multiply
    382,124.94x = 573,192.90 × 145,480.60
  4. Step 4: Simplify right side
    382,124.94x = 83,388,447,007.74
  5. Step 5: Solve for x
    x = 83,388,447,007.74/382,124.94
  6. Step 6: Final answer
    x = 218,222.99

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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.