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Finding the Fourth Proportional to 582,990.32, 804,529.32 and 328,345.76

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Solution

The fourth proportional to 582,990.32, 804,529.32 and 328,345.76 is: 453,118.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,990.32 : 804,529.32 = 328,345.76 : x
  2. Step 2: Convert to fraction form
    582,990.32/804,529.32 = 328,345.76/x
  3. Step 3: Cross multiply
    582,990.32x = 804,529.32 × 328,345.76
  4. Step 4: Simplify right side
    582,990.32x = 264,163,791,017.68
  5. Step 5: Solve for x
    x = 264,163,791,017.68/582,990.32
  6. Step 6: Final answer
    x = 453,118.66

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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.