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Finding the Fourth Proportional to 579,116.44, 798,182.40 and 385,177.06

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Solution

The fourth proportional to 579,116.44, 798,182.40 and 385,177.06 is: 530,880.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,116.44 : 798,182.40 = 385,177.06 : x
  2. Step 2: Convert to fraction form
    579,116.44/798,182.40 = 385,177.06/x
  3. Step 3: Cross multiply
    579,116.44x = 798,182.40 × 385,177.06
  4. Step 4: Simplify right side
    579,116.44x = 307,441,550,175.74
  5. Step 5: Solve for x
    x = 307,441,550,175.74/579,116.44
  6. Step 6: Final answer
    x = 530,880.37

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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.