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Finding the Fourth Proportional to 329,855.13, 455,242.95 and 184,716.17

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Solution

The fourth proportional to 329,855.13, 455,242.95 and 184,716.17 is: 254,932.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,855.13 : 455,242.95 = 184,716.17 : x
  2. Step 2: Convert to fraction form
    329,855.13/455,242.95 = 184,716.17/x
  3. Step 3: Cross multiply
    329,855.13x = 455,242.95 × 184,716.17
  4. Step 4: Simplify right side
    329,855.13x = 84,090,734,143.50
  5. Step 5: Solve for x
    x = 84,090,734,143.50/329,855.13
  6. Step 6: Final answer
    x = 254,932.32

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1.5x scale

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.