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Finding the Fourth Proportional to 595,647.23, 821,997.56 and 323,716.19

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Solution

The fourth proportional to 595,647.23, 821,997.56 and 323,716.19 is: 446,730.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,647.23 : 821,997.56 = 323,716.19 : x
  2. Step 2: Convert to fraction form
    595,647.23/821,997.56 = 323,716.19/x
  3. Step 3: Cross multiply
    595,647.23x = 821,997.56 × 323,716.19
  4. Step 4: Simplify right side
    595,647.23x = 266,093,918,312.50
  5. Step 5: Solve for x
    x = 266,093,918,312.50/595,647.23
  6. Step 6: Final answer
    x = 446,730.72

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Double scale
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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.