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Finding the Fourth Proportional to 525,712.06, 725,481.93 and 299,357.56

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Solution

The fourth proportional to 525,712.06, 725,481.93 and 299,357.56 is: 413,113.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,712.06 : 725,481.93 = 299,357.56 : x
  2. Step 2: Convert to fraction form
    525,712.06/725,481.93 = 299,357.56/x
  3. Step 3: Cross multiply
    525,712.06x = 725,481.93 × 299,357.56
  4. Step 4: Simplify right side
    525,712.06x = 217,178,500,388.89
  5. Step 5: Solve for x
    x = 217,178,500,388.89/525,712.06
  6. Step 6: Final answer
    x = 413,113.03

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1.5x scale

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.