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Finding the Fourth Proportional to 357,880.44, 493,922.70 and 230,925.90

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Solution

The fourth proportional to 357,880.44, 493,922.70 and 230,925.90 is: 318,708.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,880.44 : 493,922.70 = 230,925.90 : x
  2. Step 2: Convert to fraction form
    357,880.44/493,922.70 = 230,925.90/x
  3. Step 3: Cross multiply
    357,880.44x = 493,922.70 × 230,925.90
  4. Step 4: Simplify right side
    357,880.44x = 114,059,544,027.93
  5. Step 5: Solve for x
    x = 114,059,544,027.93/357,880.44
  6. Step 6: Final answer
    x = 318,708.52

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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.