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Finding the Fourth Proportional to 436,119.84, 601,862.44 and 245,132.64

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Solution

The fourth proportional to 436,119.84, 601,862.44 and 245,132.64 is: 338,292.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,119.84 : 601,862.44 = 245,132.64 : x
  2. Step 2: Convert to fraction form
    436,119.84/601,862.44 = 245,132.64/x
  3. Step 3: Cross multiply
    436,119.84x = 601,862.44 × 245,132.64
  4. Step 4: Simplify right side
    436,119.84x = 147,536,128,834.04
  5. Step 5: Solve for x
    x = 147,536,128,834.04/436,119.84
  6. Step 6: Final answer
    x = 338,292.63

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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.