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Finding the Fourth Proportional to 582,636.94, 804,007.17 and 320,940.97

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Solution

The fourth proportional to 582,636.94, 804,007.17 and 320,940.97 is: 442,881.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,636.94 : 804,007.17 = 320,940.97 : x
  2. Step 2: Convert to fraction form
    582,636.94/804,007.17 = 320,940.97/x
  3. Step 3: Cross multiply
    582,636.94x = 804,007.17 × 320,940.97
  4. Step 4: Simplify right side
    582,636.94x = 258,038,839,016.74
  5. Step 5: Solve for x
    x = 258,038,839,016.74/582,636.94
  6. Step 6: Final answer
    x = 442,881.02

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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.