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Finding the Fourth Proportional to 525,970.83, 725,960.46 and 322,134.06

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Solution

The fourth proportional to 525,970.83, 725,960.46 and 322,134.06 is: 444,618.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,970.83 : 725,960.46 = 322,134.06 : x
  2. Step 2: Convert to fraction form
    525,970.83/725,960.46 = 322,134.06/x
  3. Step 3: Cross multiply
    525,970.83x = 725,960.46 × 322,134.06
  4. Step 4: Simplify right side
    525,970.83x = 233,856,588,768.60
  5. Step 5: Solve for x
    x = 233,856,588,768.60/525,970.83
  6. Step 6: Final answer
    x = 444,618.93

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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.