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Finding the Fourth Proportional to 882,918.12, 1,324,574.64 and 321,952.64

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Solution

The fourth proportional to 882,918.12, 1,324,574.64 and 321,952.64 is: 483,000.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,918.12 : 1,324,574.64 = 321,952.64 : x
  2. Step 2: Convert to fraction form
    882,918.12/1,324,574.64 = 321,952.64/x
  3. Step 3: Cross multiply
    882,918.12x = 1,324,574.64 × 321,952.64
  4. Step 4: Simplify right side
    882,918.12x = 426,450,302,225.05
  5. Step 5: Solve for x
    x = 426,450,302,225.05/882,918.12
  6. Step 6: Final answer
    x = 483,000.96

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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.