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Finding the Fourth Proportional to 545,441.60, 817,046.96 and 444,599.03

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Solution

The fourth proportional to 545,441.60, 817,046.96 and 444,599.03 is: 665,989.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,441.60 : 817,046.96 = 444,599.03 : x
  2. Step 2: Convert to fraction form
    545,441.60/817,046.96 = 444,599.03/x
  3. Step 3: Cross multiply
    545,441.60x = 817,046.96 × 444,599.03
  4. Step 4: Simplify right side
    545,441.60x = 363,258,279,572.22
  5. Step 5: Solve for x
    x = 363,258,279,572.22/545,441.60
  6. Step 6: Final answer
    x = 665,989.32

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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.