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Finding the Fourth Proportional to 575,915.28, 864,135.48 and 295,629.52

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Solution

The fourth proportional to 575,915.28, 864,135.48 and 295,629.52 is: 443,579.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,915.28 : 864,135.48 = 295,629.52 : x
  2. Step 2: Convert to fraction form
    575,915.28/864,135.48 = 295,629.52/x
  3. Step 3: Cross multiply
    575,915.28x = 864,135.48 × 295,629.52
  4. Step 4: Simplify right side
    575,915.28x = 255,463,957,167.37
  5. Step 5: Solve for x
    x = 255,463,957,167.37/575,915.28
  6. Step 6: Final answer
    x = 443,579.06

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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.