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Finding the Fourth Proportional to 483,589.64, 725,103.04 and 355,582.48

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Solution

The fourth proportional to 483,589.64, 725,103.04 and 355,582.48 is: 533,166.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,589.64 : 725,103.04 = 355,582.48 : x
  2. Step 2: Convert to fraction form
    483,589.64/725,103.04 = 355,582.48/x
  3. Step 3: Cross multiply
    483,589.64x = 725,103.04 × 355,582.48
  4. Step 4: Simplify right side
    483,589.64x = 257,833,937,218.74
  5. Step 5: Solve for x
    x = 257,833,937,218.74/483,589.64
  6. Step 6: Final answer
    x = 533,166.79

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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.