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Finding the Fourth Proportional to 528,631.62, 793,281 and 225,025.31

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Solution

The fourth proportional to 528,631.62, 793,281 and 225,025.31 is: 337,679.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,631.62 : 793,281 = 225,025.31 : x
  2. Step 2: Convert to fraction form
    528,631.62/793,281 = 225,025.31/x
  3. Step 3: Cross multiply
    528,631.62x = 793,281 × 225,025.31
  4. Step 4: Simplify right side
    528,631.62x = 178,508,302,942.11
  5. Step 5: Solve for x
    x = 178,508,302,942.11/528,631.62
  6. Step 6: Final answer
    x = 337,679.96

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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.