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Finding the Fourth Proportional to 727,492.22, 1,089,375.11 and 607,250.21

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Solution

The fourth proportional to 727,492.22, 1,089,375.11 and 607,250.21 is: 909,320.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,492.22 : 1,089,375.11 = 607,250.21 : x
  2. Step 2: Convert to fraction form
    727,492.22/1,089,375.11 = 607,250.21/x
  3. Step 3: Cross multiply
    727,492.22x = 1,089,375.11 × 607,250.21
  4. Step 4: Simplify right side
    727,492.22x = 661,523,255,833.15
  5. Step 5: Solve for x
    x = 661,523,255,833.15/727,492.22
  6. Step 6: Final answer
    x = 909,320.04

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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.