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Finding the Fourth Proportional to 465,173.10, 697,316.72 and 149,408.60

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Solution

The fourth proportional to 465,173.10, 697,316.72 and 149,408.60 is: 223,970.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,173.10 : 697,316.72 = 149,408.60 : x
  2. Step 2: Convert to fraction form
    465,173.10/697,316.72 = 149,408.60/x
  3. Step 3: Cross multiply
    465,173.10x = 697,316.72 × 149,408.60
  4. Step 4: Simplify right side
    465,173.10x = 104,185,110,658.17
  5. Step 5: Solve for x
    x = 104,185,110,658.17/465,173.10
  6. Step 6: Final answer
    x = 223,970.63

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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.