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Finding the Fourth Proportional to 436,123.84, 601,867.96 and 245,136.64

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Solution

The fourth proportional to 436,123.84, 601,867.96 and 245,136.64 is: 338,298.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,123.84 : 601,867.96 = 245,136.64 : x
  2. Step 2: Convert to fraction form
    436,123.84/601,867.96 = 245,136.64/x
  3. Step 3: Cross multiply
    436,123.84x = 601,867.96 × 245,136.64
  4. Step 4: Simplify right side
    436,123.84x = 147,539,889,438.05
  5. Step 5: Solve for x
    x = 147,539,889,438.05/436,123.84
  6. Step 6: Final answer
    x = 338,298.15

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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.