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Finding the Fourth Proportional to 525,998.56, 725,700.72 and 299,483.68

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Solution

The fourth proportional to 525,998.56, 725,700.72 and 299,483.68 is: 413,186.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,998.56 : 725,700.72 = 299,483.68 : x
  2. Step 2: Convert to fraction form
    525,998.56/725,700.72 = 299,483.68/x
  3. Step 3: Cross multiply
    525,998.56x = 725,700.72 × 299,483.68
  4. Step 4: Simplify right side
    525,998.56x = 217,335,522,204.25
  5. Step 5: Solve for x
    x = 217,335,522,204.25/525,998.56
  6. Step 6: Final answer
    x = 413,186.53

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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.