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Finding the Fourth Proportional to 375,936.32, 518,678.74 and 230,592.76

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Solution

The fourth proportional to 375,936.32, 518,678.74 and 230,592.76 is: 318,148.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,936.32 : 518,678.74 = 230,592.76 : x
  2. Step 2: Convert to fraction form
    375,936.32/518,678.74 = 230,592.76/x
  3. Step 3: Cross multiply
    375,936.32x = 518,678.74 × 230,592.76
  4. Step 4: Simplify right side
    375,936.32x = 119,603,562,209.92
  5. Step 5: Solve for x
    x = 119,603,562,209.92/375,936.32
  6. Step 6: Final answer
    x = 318,148.46

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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.