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Finding the Fourth Proportional to 524,425.74, 787,423.77 and 300,039.18

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Solution

The fourth proportional to 524,425.74, 787,423.77 and 300,039.18 is: 450,507.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,425.74 : 787,423.77 = 300,039.18 : x
  2. Step 2: Convert to fraction form
    524,425.74/787,423.77 = 300,039.18/x
  3. Step 3: Cross multiply
    524,425.74x = 787,423.77 × 300,039.18
  4. Step 4: Simplify right side
    524,425.74x = 236,257,982,263.31
  5. Step 5: Solve for x
    x = 236,257,982,263.31/524,425.74
  6. Step 6: Final answer
    x = 450,507.98

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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.