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Finding the Fourth Proportional to 336,925.56, 505,990.71 and 323,380.14

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Solution

The fourth proportional to 336,925.56, 505,990.71 and 323,380.14 is: 485,648.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,925.56 : 505,990.71 = 323,380.14 : x
  2. Step 2: Convert to fraction form
    336,925.56/505,990.71 = 323,380.14/x
  3. Step 3: Cross multiply
    336,925.56x = 505,990.71 × 323,380.14
  4. Step 4: Simplify right side
    336,925.56x = 163,627,346,638.50
  5. Step 5: Solve for x
    x = 163,627,346,638.50/336,925.56
  6. Step 6: Final answer
    x = 485,648.36

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1.5x scale

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.