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Finding the Fourth Proportional to 483,024.30, 724,659.54 and 216,885.52

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Solution

The fourth proportional to 483,024.30, 724,659.54 and 216,885.52 is: 325,383.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,024.30 : 724,659.54 = 216,885.52 : x
  2. Step 2: Convert to fraction form
    483,024.30/724,659.54 = 216,885.52/x
  3. Step 3: Cross multiply
    483,024.30x = 724,659.54 × 216,885.52
  4. Step 4: Simplify right side
    483,024.30x = 157,168,161,155.86
  5. Step 5: Solve for x
    x = 157,168,161,155.86/483,024.30
  6. Step 6: Final answer
    x = 325,383.55

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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.