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Finding the Fourth Proportional to 264,987.20, 371,915.20 and 264,987.20

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Solution

The fourth proportional to 264,987.20, 371,915.20 and 264,987.20 is: 371,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,987.20 : 371,915.20 = 264,987.20 : x
  2. Step 2: Convert to fraction form
    264,987.20/371,915.20 = 264,987.20/x
  3. Step 3: Cross multiply
    264,987.20x = 371,915.20 × 264,987.20
  4. Step 4: Simplify right side
    264,987.20x = 98,552,767,485.44
  5. Step 5: Solve for x
    x = 98,552,767,485.44/264,987.20
  6. Step 6: Final answer
    x = 371,915.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.