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Finding the Fourth Proportional to 583,518.60, 805,232.34 and 328,922.64

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Solution

The fourth proportional to 583,518.60, 805,232.34 and 328,922.64 is: 453,900.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,518.60 : 805,232.34 = 328,922.64 : x
  2. Step 2: Convert to fraction form
    583,518.60/805,232.34 = 328,922.64/x
  3. Step 3: Cross multiply
    583,518.60x = 805,232.34 × 328,922.64
  4. Step 4: Simplify right side
    583,518.60x = 264,859,147,086.18
  5. Step 5: Solve for x
    x = 264,859,147,086.18/583,518.60
  6. Step 6: Final answer
    x = 453,900.09

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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.