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Finding the Fourth Proportional to 306,590.67, 459,719.24 and 106,857.45

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Solution

The fourth proportional to 306,590.67, 459,719.24 and 106,857.45 is: 160,228.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,590.67 : 459,719.24 = 106,857.45 : x
  2. Step 2: Convert to fraction form
    306,590.67/459,719.24 = 106,857.45/x
  3. Step 3: Cross multiply
    306,590.67x = 459,719.24 × 106,857.45
  4. Step 4: Simplify right side
    306,590.67x = 49,124,425,168.05
  5. Step 5: Solve for x
    x = 49,124,425,168.05/306,590.67
  6. Step 6: Final answer
    x = 160,228.05

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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.