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Finding the Fourth Proportional to 660,061.44, 990,593.64 and 483,025.32

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Solution

The fourth proportional to 660,061.44, 990,593.64 and 483,025.32 is: 724,904.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,061.44 : 990,593.64 = 483,025.32 : x
  2. Step 2: Convert to fraction form
    660,061.44/990,593.64 = 483,025.32/x
  3. Step 3: Cross multiply
    660,061.44x = 990,593.64 × 483,025.32
  4. Step 4: Simplify right side
    660,061.44x = 478,481,809,950.97
  5. Step 5: Solve for x
    x = 478,481,809,950.97/660,061.44
  6. Step 6: Final answer
    x = 724,904.96

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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.