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Finding the Fourth Proportional to 329,880.87, 455,187.22 and 184,679.12

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Solution

The fourth proportional to 329,880.87, 455,187.22 and 184,679.12 is: 254,830.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,880.87 : 455,187.22 = 184,679.12 : x
  2. Step 2: Convert to fraction form
    329,880.87/455,187.22 = 184,679.12/x
  3. Step 3: Cross multiply
    329,880.87x = 455,187.22 × 184,679.12
  4. Step 4: Simplify right side
    329,880.87x = 84,063,575,901.12
  5. Step 5: Solve for x
    x = 84,063,575,901.12/329,880.87
  6. Step 6: Final answer
    x = 254,830.10

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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.