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Finding the Fourth Proportional to 425,554.36, 638,353.41 and 110,014

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Solution

The fourth proportional to 425,554.36, 638,353.41 and 110,014 is: 165,026.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,554.36 : 638,353.41 = 110,014 : x
  2. Step 2: Convert to fraction form
    425,554.36/638,353.41 = 110,014/x
  3. Step 3: Cross multiply
    425,554.36x = 638,353.41 × 110,014
  4. Step 4: Simplify right side
    425,554.36x = 70,227,812,047.74
  5. Step 5: Solve for x
    x = 70,227,812,047.74/425,554.36
  6. Step 6: Final answer
    x = 165,026.65

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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.