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Finding the Fourth Proportional to 374,590.58, 561,768.74 and 125,214.26

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Solution

The fourth proportional to 374,590.58, 561,768.74 and 125,214.26 is: 187,782.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,590.58 : 561,768.74 = 125,214.26 : x
  2. Step 2: Convert to fraction form
    374,590.58/561,768.74 = 125,214.26/x
  3. Step 3: Cross multiply
    374,590.58x = 561,768.74 × 125,214.26
  4. Step 4: Simplify right side
    374,590.58x = 70,341,453,635.32
  5. Step 5: Solve for x
    x = 70,341,453,635.32/374,590.58
  6. Step 6: Final answer
    x = 187,782.23

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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.