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Finding the Fourth Proportional to 374,443, 561,664.59 and 125,125

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Solution

The fourth proportional to 374,443, 561,664.59 and 125,125 is: 187,687.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,443 : 561,664.59 = 125,125 : x
  2. Step 2: Convert to fraction form
    374,443/561,664.59 = 125,125/x
  3. Step 3: Cross multiply
    374,443x = 561,664.59 × 125,125
  4. Step 4: Simplify right side
    374,443x = 70,278,281,823.75
  5. Step 5: Solve for x
    x = 70,278,281,823.75/374,443
  6. Step 6: Final answer
    x = 187,687.53

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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.