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Finding the Fourth Proportional to 525,394.44, 725,049.90 and 299,041.56

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Solution

The fourth proportional to 525,394.44, 725,049.90 and 299,041.56 is: 412,680.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,394.44 : 725,049.90 = 299,041.56 : x
  2. Step 2: Convert to fraction form
    525,394.44/725,049.90 = 299,041.56/x
  3. Step 3: Cross multiply
    525,394.44x = 725,049.90 × 299,041.56
  4. Step 4: Simplify right side
    525,394.44x = 216,820,053,173.84
  5. Step 5: Solve for x
    x = 216,820,053,173.84/525,394.44
  6. Step 6: Final answer
    x = 412,680.52

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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.