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Finding the Fourth Proportional to 452,834.63, 625,459.86 and 330,132.69

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Solution

The fourth proportional to 452,834.63, 625,459.86 and 330,132.69 is: 455,982.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,834.63 : 625,459.86 = 330,132.69 : x
  2. Step 2: Convert to fraction form
    452,834.63/625,459.86 = 330,132.69/x
  3. Step 3: Cross multiply
    452,834.63x = 625,459.86 × 330,132.69
  4. Step 4: Simplify right side
    452,834.63x = 206,484,744,418.16
  5. Step 5: Solve for x
    x = 206,484,744,418.16/452,834.63
  6. Step 6: Final answer
    x = 455,982.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.