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Finding the Fourth Proportional to 411,593.88, 617,328.39 and 112,098.06

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Solution

The fourth proportional to 411,593.88, 617,328.39 and 112,098.06 is: 168,130.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,593.88 : 617,328.39 = 112,098.06 : x
  2. Step 2: Convert to fraction form
    411,593.88/617,328.39 = 112,098.06/x
  3. Step 3: Cross multiply
    411,593.88x = 617,328.39 × 112,098.06
  4. Step 4: Simplify right side
    411,593.88x = 69,201,314,901.92
  5. Step 5: Solve for x
    x = 69,201,314,901.92/411,593.88
  6. Step 6: Final answer
    x = 168,130.09

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1.5x scale

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.