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Finding the Fourth Proportional to 567,662.67, 783,334.44 and 313,008.39

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Solution

The fourth proportional to 567,662.67, 783,334.44 and 313,008.39 is: 431,929.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,662.67 : 783,334.44 = 313,008.39 : x
  2. Step 2: Convert to fraction form
    567,662.67/783,334.44 = 313,008.39/x
  3. Step 3: Cross multiply
    567,662.67x = 783,334.44 × 313,008.39
  4. Step 4: Simplify right side
    567,662.67x = 245,190,251,895.95
  5. Step 5: Solve for x
    x = 245,190,251,895.95/567,662.67
  6. Step 6: Final answer
    x = 431,929.50

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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.