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Finding the Fourth Proportional to 321,302.37, 482,054.28 and 193,358.25

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Solution

The fourth proportional to 321,302.37, 482,054.28 and 193,358.25 is: 290,097.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,302.37 : 482,054.28 = 193,358.25 : x
  2. Step 2: Convert to fraction form
    321,302.37/482,054.28 = 193,358.25/x
  3. Step 3: Cross multiply
    321,302.37x = 482,054.28 × 193,358.25
  4. Step 4: Simplify right side
    321,302.37x = 93,209,171,985.81
  5. Step 5: Solve for x
    x = 93,209,171,985.81/321,302.37
  6. Step 6: Final answer
    x = 290,097.99

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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.