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Finding the Fourth Proportional to 365,814.94, 551,464.28 and 341,429.89

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Solution

The fourth proportional to 365,814.94, 551,464.28 and 341,429.89 is: 514,703.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,814.94 : 551,464.28 = 341,429.89 : x
  2. Step 2: Convert to fraction form
    365,814.94/551,464.28 = 341,429.89/x
  3. Step 3: Cross multiply
    365,814.94x = 551,464.28 × 341,429.89
  4. Step 4: Simplify right side
    365,814.94x = 188,286,388,459.33
  5. Step 5: Solve for x
    x = 188,286,388,459.33/365,814.94
  6. Step 6: Final answer
    x = 514,703.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.