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Finding the Fourth Proportional to 524,596.88, 787,682.52 and 300,210.68

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Solution

The fourth proportional to 524,596.88, 787,682.52 and 300,210.68 is: 450,766.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,596.88 : 787,682.52 = 300,210.68 : x
  2. Step 2: Convert to fraction form
    524,596.88/787,682.52 = 300,210.68/x
  3. Step 3: Cross multiply
    524,596.88x = 787,682.52 × 300,210.68
  4. Step 4: Simplify right side
    524,596.88x = 236,470,704,953.31
  5. Step 5: Solve for x
    x = 236,470,704,953.31/524,596.88
  6. Step 6: Final answer
    x = 450,766.51

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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.