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Finding the Fourth Proportional to 582,687.39, 804,185.28 and 328,088.19

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Solution

The fourth proportional to 582,687.39, 804,185.28 and 328,088.19 is: 452,804.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,687.39 : 804,185.28 = 328,088.19 : x
  2. Step 2: Convert to fraction form
    582,687.39/804,185.28 = 328,088.19/x
  3. Step 3: Cross multiply
    582,687.39x = 804,185.28 × 328,088.19
  4. Step 4: Simplify right side
    582,687.39x = 263,843,692,939.84
  5. Step 5: Solve for x
    x = 263,843,692,939.84/582,687.39
  6. Step 6: Final answer
    x = 452,804.88

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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.