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Finding the Fourth Proportional to 304,752.67, 420,563.06 and 175,688.69

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Solution

The fourth proportional to 304,752.67, 420,563.06 and 175,688.69 is: 242,452.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,752.67 : 420,563.06 = 175,688.69 : x
  2. Step 2: Convert to fraction form
    304,752.67/420,563.06 = 175,688.69/x
  3. Step 3: Cross multiply
    304,752.67x = 420,563.06 × 175,688.69
  4. Step 4: Simplify right side
    304,752.67x = 73,888,171,410.20
  5. Step 5: Solve for x
    x = 73,888,171,410.20/304,752.67
  6. Step 6: Final answer
    x = 242,452.91

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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.