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Finding the Fourth Proportional to 382,571.10, 573,200.55 and 249,382.80

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Solution

The fourth proportional to 382,571.10, 573,200.55 and 249,382.80 is: 373,646.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,571.10 : 573,200.55 = 249,382.80 : x
  2. Step 2: Convert to fraction form
    382,571.10/573,200.55 = 249,382.80/x
  3. Step 3: Cross multiply
    382,571.10x = 573,200.55 × 249,382.80
  4. Step 4: Simplify right side
    382,571.10x = 142,946,358,120.54
  5. Step 5: Solve for x
    x = 142,946,358,120.54/382,571.10
  6. Step 6: Final answer
    x = 373,646.51

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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.