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Finding the Fourth Proportional to 374,100.90, 561,374.93 and 137,467.50

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Solution

The fourth proportional to 374,100.90, 561,374.93 and 137,467.50 is: 206,283.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,100.90 : 561,374.93 = 137,467.50 : x
  2. Step 2: Convert to fraction form
    374,100.90/561,374.93 = 137,467.50/x
  3. Step 3: Cross multiply
    374,100.90x = 561,374.93 × 137,467.50
  4. Step 4: Simplify right side
    374,100.90x = 77,170,808,189.78
  5. Step 5: Solve for x
    x = 77,170,808,189.78/374,100.90
  6. Step 6: Final answer
    x = 206,283.41

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1.5x scale

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.