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Finding the Fourth Proportional to 582,681.32, 804,115.22 and 328,041.56

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Solution

The fourth proportional to 582,681.32, 804,115.22 and 328,041.56 is: 452,705.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,681.32 : 804,115.22 = 328,041.56 : x
  2. Step 2: Convert to fraction form
    582,681.32/804,115.22 = 328,041.56/x
  3. Step 3: Cross multiply
    582,681.32x = 804,115.22 × 328,041.56
  4. Step 4: Simplify right side
    582,681.32x = 263,783,211,188.54
  5. Step 5: Solve for x
    x = 263,783,211,188.54/582,681.32
  6. Step 6: Final answer
    x = 452,705.80

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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.