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Finding the Fourth Proportional to 339,770.21, 468,870.93 and 186,807.24

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Solution

The fourth proportional to 339,770.21, 468,870.93 and 186,807.24 is: 257,787.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,770.21 : 468,870.93 = 186,807.24 : x
  2. Step 2: Convert to fraction form
    339,770.21/468,870.93 = 186,807.24/x
  3. Step 3: Cross multiply
    339,770.21x = 468,870.93 × 186,807.24
  4. Step 4: Simplify right side
    339,770.21x = 87,588,484,349.53
  5. Step 5: Solve for x
    x = 87,588,484,349.53/339,770.21
  6. Step 6: Final answer
    x = 257,787.42

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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.