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Finding the Fourth Proportional to 375,821.72, 563,732.58 and 325,069.92

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Solution

The fourth proportional to 375,821.72, 563,732.58 and 325,069.92 is: 487,604.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,821.72 : 563,732.58 = 325,069.92 : x
  2. Step 2: Convert to fraction form
    375,821.72/563,732.58 = 325,069.92/x
  3. Step 3: Cross multiply
    375,821.72x = 563,732.58 × 325,069.92
  4. Step 4: Simplify right side
    375,821.72x = 183,252,504,681.99
  5. Step 5: Solve for x
    x = 183,252,504,681.99/375,821.72
  6. Step 6: Final answer
    x = 487,604.89

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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.