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Finding the Fourth Proportional to 329,698.11, 455,007.83 and 184,518.44

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Solution

The fourth proportional to 329,698.11, 455,007.83 and 184,518.44 is: 254,649.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,698.11 : 455,007.83 = 184,518.44 : x
  2. Step 2: Convert to fraction form
    329,698.11/455,007.83 = 184,518.44/x
  3. Step 3: Cross multiply
    329,698.11x = 455,007.83 × 184,518.44
  4. Step 4: Simplify right side
    329,698.11x = 83,957,334,056.79
  5. Step 5: Solve for x
    x = 83,957,334,056.79/329,698.11
  6. Step 6: Final answer
    x = 254,649.12

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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.