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Finding the Fourth Proportional to 305,611.22, 458,416.42 and 116,071.22

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Solution

The fourth proportional to 305,611.22, 458,416.42 and 116,071.22 is: 174,106.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,611.22 : 458,416.42 = 116,071.22 : x
  2. Step 2: Convert to fraction form
    305,611.22/458,416.42 = 116,071.22/x
  3. Step 3: Cross multiply
    305,611.22x = 458,416.42 × 116,071.22
  4. Step 4: Simplify right side
    305,611.22x = 53,208,953,137.43
  5. Step 5: Solve for x
    x = 53,208,953,137.43/305,611.22
  6. Step 6: Final answer
    x = 174,106.67

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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.