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Finding the Fourth Proportional to 583,520.60, 805,235.10 and 328,924.64

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Solution

The fourth proportional to 583,520.60, 805,235.10 and 328,924.64 is: 453,902.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,520.60 : 805,235.10 = 328,924.64 : x
  2. Step 2: Convert to fraction form
    583,520.60/805,235.10 = 328,924.64/x
  3. Step 3: Cross multiply
    583,520.60x = 805,235.10 × 328,924.64
  4. Step 4: Simplify right side
    583,520.60x = 264,861,665,382.86
  5. Step 5: Solve for x
    x = 264,861,665,382.86/583,520.60
  6. Step 6: Final answer
    x = 453,902.85

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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.