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Finding the Fourth Proportional to 525,840.80, 789,036.60 and 241,617.20

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Solution

The fourth proportional to 525,840.80, 789,036.60 and 241,617.20 is: 362,552.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,840.80 : 789,036.60 = 241,617.20 : x
  2. Step 2: Convert to fraction form
    525,840.80/789,036.60 = 241,617.20/x
  3. Step 3: Cross multiply
    525,840.80x = 789,036.60 × 241,617.20
  4. Step 4: Simplify right side
    525,840.80x = 190,644,813,989.52
  5. Step 5: Solve for x
    x = 190,644,813,989.52/525,840.80
  6. Step 6: Final answer
    x = 362,552.34

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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.