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Finding the Fourth Proportional to 411,808.03, 617,567.33 and 123,533.71

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Solution

The fourth proportional to 411,808.03, 617,567.33 and 123,533.71 is: 185,257.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,808.03 : 617,567.33 = 123,533.71 : x
  2. Step 2: Convert to fraction form
    411,808.03/617,567.33 = 123,533.71/x
  3. Step 3: Cross multiply
    411,808.03x = 617,567.33 × 123,533.71
  4. Step 4: Simplify right side
    411,808.03x = 76,290,383,603.98
  5. Step 5: Solve for x
    x = 76,290,383,603.98/411,808.03
  6. Step 6: Final answer
    x = 185,257.16

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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.