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Finding the Fourth Proportional to 524,429.24, 787,429.02 and 300,042.68

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Solution

The fourth proportional to 524,429.24, 787,429.02 and 300,042.68 is: 450,513.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,429.24 : 787,429.02 = 300,042.68 : x
  2. Step 2: Convert to fraction form
    524,429.24/787,429.02 = 300,042.68/x
  3. Step 3: Cross multiply
    524,429.24x = 787,429.02 × 300,042.68
  4. Step 4: Simplify right side
    524,429.24x = 236,262,313,470.57
  5. Step 5: Solve for x
    x = 236,262,313,470.57/524,429.24
  6. Step 6: Final answer
    x = 450,513.24

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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.