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Finding the Fourth Proportional to 583,380.60, 873,321.30 and 346,601.40

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Solution

The fourth proportional to 583,380.60, 873,321.30 and 346,601.40 is: 518,862.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,380.60 : 873,321.30 = 346,601.40 : x
  2. Step 2: Convert to fraction form
    583,380.60/873,321.30 = 346,601.40/x
  3. Step 3: Cross multiply
    583,380.60x = 873,321.30 × 346,601.40
  4. Step 4: Simplify right side
    583,380.60x = 302,694,385,229.82
  5. Step 5: Solve for x
    x = 302,694,385,229.82/583,380.60
  6. Step 6: Final answer
    x = 518,862.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.