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Finding the Fourth Proportional to 503,178.48, 753,771.42 and 325,810.35

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Solution

The fourth proportional to 503,178.48, 753,771.42 and 325,810.35 is: 488,070.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,178.48 : 753,771.42 = 325,810.35 : x
  2. Step 2: Convert to fraction form
    503,178.48/753,771.42 = 325,810.35/x
  3. Step 3: Cross multiply
    503,178.48x = 753,771.42 × 325,810.35
  4. Step 4: Simplify right side
    503,178.48x = 245,586,530,170.20
  5. Step 5: Solve for x
    x = 245,586,530,170.20/503,178.48
  6. Step 6: Final answer
    x = 488,070.42

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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.