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Finding the Fourth Proportional to 452,580.95, 678,871.41 and 115,622.34

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Solution

The fourth proportional to 452,580.95, 678,871.41 and 115,622.34 is: 173,433.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,580.95 : 678,871.41 = 115,622.34 : x
  2. Step 2: Convert to fraction form
    452,580.95/678,871.41 = 115,622.34/x
  3. Step 3: Cross multiply
    452,580.95x = 678,871.41 × 115,622.34
  4. Step 4: Simplify right side
    452,580.95x = 78,492,700,983.30
  5. Step 5: Solve for x
    x = 78,492,700,983.30/452,580.95
  6. Step 6: Final answer
    x = 173,433.51

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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.