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Finding the Fourth Proportional to 580,222.08, 800,664.48 and 322,112.88

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Solution

The fourth proportional to 580,222.08, 800,664.48 and 322,112.88 is: 444,492.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,222.08 : 800,664.48 = 322,112.88 : x
  2. Step 2: Convert to fraction form
    580,222.08/800,664.48 = 322,112.88/x
  3. Step 3: Cross multiply
    580,222.08x = 800,664.48 × 322,112.88
  4. Step 4: Simplify right side
    580,222.08x = 257,904,341,566.50
  5. Step 5: Solve for x
    x = 257,904,341,566.50/580,222.08
  6. Step 6: Final answer
    x = 444,492.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.