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Finding the Fourth Proportional to 374,847.40, 562,300.26 and 108,611.74

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Solution

The fourth proportional to 374,847.40, 562,300.26 and 108,611.74 is: 162,926.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,847.40 : 562,300.26 = 108,611.74 : x
  2. Step 2: Convert to fraction form
    374,847.40/562,300.26 = 108,611.74/x
  3. Step 3: Cross multiply
    374,847.40x = 562,300.26 × 108,611.74
  4. Step 4: Simplify right side
    374,847.40x = 61,072,409,641.05
  5. Step 5: Solve for x
    x = 61,072,409,641.05/374,847.40
  6. Step 6: Final answer
    x = 162,926.06

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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.