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Finding the Fourth Proportional to 582,999.80, 804,566.94 and 353,564.60

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Solution

The fourth proportional to 582,999.80, 804,566.94 and 353,564.60 is: 487,935.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,999.80 : 804,566.94 = 353,564.60 : x
  2. Step 2: Convert to fraction form
    582,999.80/804,566.94 = 353,564.60/x
  3. Step 3: Cross multiply
    582,999.80x = 804,566.94 × 353,564.60
  4. Step 4: Simplify right side
    582,999.80x = 284,466,388,314.32
  5. Step 5: Solve for x
    x = 284,466,388,314.32/582,999.80
  6. Step 6: Final answer
    x = 487,935.65

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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.