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Finding the Fourth Proportional to 589,168.80, 882,716.40 and 483,415.20

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Solution

The fourth proportional to 589,168.80, 882,716.40 and 483,415.20 is: 724,272.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,168.80 : 882,716.40 = 483,415.20 : x
  2. Step 2: Convert to fraction form
    589,168.80/882,716.40 = 483,415.20/x
  3. Step 3: Cross multiply
    589,168.80x = 882,716.40 × 483,415.20
  4. Step 4: Simplify right side
    589,168.80x = 426,718,525,049.28
  5. Step 5: Solve for x
    x = 426,718,525,049.28/589,168.80
  6. Step 6: Final answer
    x = 724,272.10

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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.