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Finding the Fourth Proportional to 336,808.60, 505,212.90 and 149,820.10

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Solution

The fourth proportional to 336,808.60, 505,212.90 and 149,820.10 is: 224,730.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,808.60 : 505,212.90 = 149,820.10 : x
  2. Step 2: Convert to fraction form
    336,808.60/505,212.90 = 149,820.10/x
  3. Step 3: Cross multiply
    336,808.60x = 505,212.90 × 149,820.10
  4. Step 4: Simplify right side
    336,808.60x = 75,691,047,199.29
  5. Step 5: Solve for x
    x = 75,691,047,199.29/336,808.60
  6. Step 6: Final answer
    x = 224,730.15

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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.