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Finding the Fourth Proportional to 375,685.49, 518,499.12 and 232,491.67

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Solution

The fourth proportional to 375,685.49, 518,499.12 and 232,491.67 is: 320,871.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,685.49 : 518,499.12 = 232,491.67 : x
  2. Step 2: Convert to fraction form
    375,685.49/518,499.12 = 232,491.67/x
  3. Step 3: Cross multiply
    375,685.49x = 518,499.12 × 232,491.67
  4. Step 4: Simplify right side
    375,685.49x = 120,546,725,877.93
  5. Step 5: Solve for x
    x = 120,546,725,877.93/375,685.49
  6. Step 6: Final answer
    x = 320,871.39

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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.