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Finding the Fourth Proportional to 525,614.80, 788,697.60 and 241,391.20

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Solution

The fourth proportional to 525,614.80, 788,697.60 and 241,391.20 is: 362,213.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,614.80 : 788,697.60 = 241,391.20 : x
  2. Step 2: Convert to fraction form
    525,614.80/788,697.60 = 241,391.20/x
  3. Step 3: Cross multiply
    525,614.80x = 788,697.60 × 241,391.20
  4. Step 4: Simplify right side
    525,614.80x = 190,384,660,101.12
  5. Step 5: Solve for x
    x = 190,384,660,101.12/525,614.80
  6. Step 6: Final answer
    x = 362,213.28

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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.