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Finding the Fourth Proportional to 374,611.50, 561,917.82 and 152,995.50

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Solution

The fourth proportional to 374,611.50, 561,917.82 and 152,995.50 is: 229,493.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,611.50 : 561,917.82 = 152,995.50 : x
  2. Step 2: Convert to fraction form
    374,611.50/561,917.82 = 152,995.50/x
  3. Step 3: Cross multiply
    374,611.50x = 561,917.82 × 152,995.50
  4. Step 4: Simplify right side
    374,611.50x = 85,970,897,829.81
  5. Step 5: Solve for x
    x = 85,970,897,829.81/374,611.50
  6. Step 6: Final answer
    x = 229,493.48

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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.