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Finding the Fourth Proportional to 582,971.97, 804,503 and 338,004.28

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Solution

The fourth proportional to 582,971.97, 804,503 and 338,004.28 is: 466,446.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,971.97 : 804,503 = 338,004.28 : x
  2. Step 2: Convert to fraction form
    582,971.97/804,503 = 338,004.28/x
  3. Step 3: Cross multiply
    582,971.97x = 804,503 × 338,004.28
  4. Step 4: Simplify right side
    582,971.97x = 271,925,457,272.84
  5. Step 5: Solve for x
    x = 271,925,457,272.84/582,971.97
  6. Step 6: Final answer
    x = 466,446.88

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Double scale
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Similar ratio
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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.