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Finding the Fourth Proportional to 374,774.56, 562,220.64 and 161,603.08

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Solution

The fourth proportional to 374,774.56, 562,220.64 and 161,603.08 is: 242,429.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,774.56 : 562,220.64 = 161,603.08 : x
  2. Step 2: Convert to fraction form
    374,774.56/562,220.64 = 161,603.08/x
  3. Step 3: Cross multiply
    374,774.56x = 562,220.64 × 161,603.08
  4. Step 4: Simplify right side
    374,774.56x = 90,856,587,063.57
  5. Step 5: Solve for x
    x = 90,856,587,063.57/374,774.56
  6. Step 6: Final answer
    x = 242,429.97

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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.