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Finding the Fourth Proportional to 617,425.72, 926,533.90 and 333,314.04

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Solution

The fourth proportional to 617,425.72, 926,533.90 and 333,314.04 is: 500,184.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,425.72 : 926,533.90 = 333,314.04 : x
  2. Step 2: Convert to fraction form
    617,425.72/926,533.90 = 333,314.04/x
  3. Step 3: Cross multiply
    617,425.72x = 926,533.90 × 333,314.04
  4. Step 4: Simplify right side
    617,425.72x = 308,826,757,405.96
  5. Step 5: Solve for x
    x = 308,826,757,405.96/617,425.72
  6. Step 6: Final answer
    x = 500,184.47

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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.