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Finding the Fourth Proportional to 555,669.60, 833,182.56 and 489,243.12

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Solution

The fourth proportional to 555,669.60, 833,182.56 and 489,243.12 is: 733,581.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,669.60 : 833,182.56 = 489,243.12 : x
  2. Step 2: Convert to fraction form
    555,669.60/833,182.56 = 489,243.12/x
  3. Step 3: Cross multiply
    555,669.60x = 833,182.56 × 489,243.12
  4. Step 4: Simplify right side
    555,669.60x = 407,628,835,183.99
  5. Step 5: Solve for x
    x = 407,628,835,183.99/555,669.60
  6. Step 6: Final answer
    x = 733,581.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.