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Finding the Fourth Proportional to 609,706.73, 841,383.90 and 367,999.49

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Solution

The fourth proportional to 609,706.73, 841,383.90 and 367,999.49 is: 507,832.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,706.73 : 841,383.90 = 367,999.49 : x
  2. Step 2: Convert to fraction form
    609,706.73/841,383.90 = 367,999.49/x
  3. Step 3: Cross multiply
    609,706.73x = 841,383.90 × 367,999.49
  4. Step 4: Simplify right side
    609,706.73x = 309,628,841,887.29
  5. Step 5: Solve for x
    x = 309,628,841,887.29/609,706.73
  6. Step 6: Final answer
    x = 507,832.42

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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.