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Finding the Fourth Proportional to 483,468.52, 724,953.54 and 217,000.60

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Solution

The fourth proportional to 483,468.52, 724,953.54 and 217,000.60 is: 325,389.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,468.52 : 724,953.54 = 217,000.60 : x
  2. Step 2: Convert to fraction form
    483,468.52/724,953.54 = 217,000.60/x
  3. Step 3: Cross multiply
    483,468.52x = 724,953.54 × 217,000.60
  4. Step 4: Simplify right side
    483,468.52x = 157,315,353,152.12
  5. Step 5: Solve for x
    x = 157,315,353,152.12/483,468.52
  6. Step 6: Final answer
    x = 325,389.03

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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.