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Finding the Fourth Proportional to 375,915.40, 563,977.22 and 173,573.28

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Solution

The fourth proportional to 375,915.40, 563,977.22 and 173,573.28 is: 260,408.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,915.40 : 563,977.22 = 173,573.28 : x
  2. Step 2: Convert to fraction form
    375,915.40/563,977.22 = 173,573.28/x
  3. Step 3: Cross multiply
    375,915.40x = 563,977.22 × 173,573.28
  4. Step 4: Simplify right side
    375,915.40x = 97,891,375,052.82
  5. Step 5: Solve for x
    x = 97,891,375,052.82/375,915.40
  6. Step 6: Final answer
    x = 260,408.00

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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.