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Finding the Fourth Proportional to 525,479.37, 725,011.52 and 295,956.46

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Solution

The fourth proportional to 525,479.37, 725,011.52 and 295,956.46 is: 408,335.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,479.37 : 725,011.52 = 295,956.46 : x
  2. Step 2: Convert to fraction form
    525,479.37/725,011.52 = 295,956.46/x
  3. Step 3: Cross multiply
    525,479.37x = 725,011.52 × 295,956.46
  4. Step 4: Simplify right side
    525,479.37x = 214,571,840,513.91
  5. Step 5: Solve for x
    x = 214,571,840,513.91/525,479.37
  6. Step 6: Final answer
    x = 408,335.42

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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.