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Finding the Fourth Proportional to 567,625.42, 783,313.03 and 309,504.38

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Solution

The fourth proportional to 567,625.42, 783,313.03 and 309,504.38 is: 427,110.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,625.42 : 783,313.03 = 309,504.38 : x
  2. Step 2: Convert to fraction form
    567,625.42/783,313.03 = 309,504.38/x
  3. Step 3: Cross multiply
    567,625.42x = 783,313.03 × 309,504.38
  4. Step 4: Simplify right side
    567,625.42x = 242,438,810,166.39
  5. Step 5: Solve for x
    x = 242,438,810,166.39/567,625.42
  6. Step 6: Final answer
    x = 427,110.56

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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.