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Finding the Fourth Proportional to 374,590.57, 561,768.73 and 125,214.25

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Solution

The fourth proportional to 374,590.57, 561,768.73 and 125,214.25 is: 187,782.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,590.57 : 561,768.73 = 125,214.25 : x
  2. Step 2: Convert to fraction form
    374,590.57/561,768.73 = 125,214.25/x
  3. Step 3: Cross multiply
    374,590.57x = 561,768.73 × 125,214.25
  4. Step 4: Simplify right side
    374,590.57x = 70,341,450,200.40
  5. Step 5: Solve for x
    x = 70,341,450,200.40/374,590.57
  6. Step 6: Final answer
    x = 187,782.22

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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.