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Finding the Fourth Proportional to 531,223.08, 797,302.08 and 278,684.03

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Solution

The fourth proportional to 531,223.08, 797,302.08 and 278,684.03 is: 418,271.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,223.08 : 797,302.08 = 278,684.03 : x
  2. Step 2: Convert to fraction form
    531,223.08/797,302.08 = 278,684.03/x
  3. Step 3: Cross multiply
    531,223.08x = 797,302.08 × 278,684.03
  4. Step 4: Simplify right side
    531,223.08x = 222,195,352,795.27
  5. Step 5: Solve for x
    x = 222,195,352,795.27/531,223.08
  6. Step 6: Final answer
    x = 418,271.27

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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.