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Finding the Fourth Proportional to 481,762.64, 722,587.66 and 193,562.60

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Solution

The fourth proportional to 481,762.64, 722,587.66 and 193,562.60 is: 290,321.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,762.64 : 722,587.66 = 193,562.60 : x
  2. Step 2: Convert to fraction form
    481,762.64/722,587.66 = 193,562.60/x
  3. Step 3: Cross multiply
    481,762.64x = 722,587.66 × 193,562.60
  4. Step 4: Simplify right side
    481,762.64x = 139,865,947,254.02
  5. Step 5: Solve for x
    x = 139,865,947,254.02/481,762.64
  6. Step 6: Final answer
    x = 290,321.28

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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.