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Finding the Fourth Proportional to 525,353.66, 725,005.32 and 295,915.22

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Solution

The fourth proportional to 525,353.66, 725,005.32 and 295,915.22 is: 408,372.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,353.66 : 725,005.32 = 295,915.22 : x
  2. Step 2: Convert to fraction form
    525,353.66/725,005.32 = 295,915.22/x
  3. Step 3: Cross multiply
    525,353.66x = 725,005.32 × 295,915.22
  4. Step 4: Simplify right side
    525,353.66x = 214,540,108,768.97
  5. Step 5: Solve for x
    x = 214,540,108,768.97/525,353.66
  6. Step 6: Final answer
    x = 408,372.73

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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.