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Finding the Fourth Proportional to 383,293.60, 525,114.13 and 368,927.98

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Solution

The fourth proportional to 383,293.60, 525,114.13 and 368,927.98 is: 505,433.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,293.60 : 525,114.13 = 368,927.98 : x
  2. Step 2: Convert to fraction form
    383,293.60/525,114.13 = 368,927.98/x
  3. Step 3: Cross multiply
    383,293.60x = 525,114.13 × 368,927.98
  4. Step 4: Simplify right side
    383,293.60x = 193,729,295,250.36
  5. Step 5: Solve for x
    x = 193,729,295,250.36/383,293.60
  6. Step 6: Final answer
    x = 505,433.16

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.