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Finding the Fourth Proportional to 617,473.04, 852,148.68 and 345,538.56

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Solution

The fourth proportional to 617,473.04, 852,148.68 and 345,538.56 is: 476,863.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,473.04 : 852,148.68 = 345,538.56 : x
  2. Step 2: Convert to fraction form
    617,473.04/852,148.68 = 345,538.56/x
  3. Step 3: Cross multiply
    617,473.04x = 852,148.68 × 345,538.56
  4. Step 4: Simplify right side
    617,473.04x = 294,450,227,793.10
  5. Step 5: Solve for x
    x = 294,450,227,793.10/617,473.04
  6. Step 6: Final answer
    x = 476,863.29

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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.