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Finding the Fourth Proportional to 583,054.94, 804,620.31 and 328,382.30

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Solution

The fourth proportional to 583,054.94, 804,620.31 and 328,382.30 is: 453,170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,054.94 : 804,620.31 = 328,382.30 : x
  2. Step 2: Convert to fraction form
    583,054.94/804,620.31 = 328,382.30/x
  3. Step 3: Cross multiply
    583,054.94x = 804,620.31 × 328,382.30
  4. Step 4: Simplify right side
    583,054.94x = 264,223,068,024.51
  5. Step 5: Solve for x
    x = 264,223,068,024.51/583,054.94
  6. Step 6: Final answer
    x = 453,170.10

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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.