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Finding the Fourth Proportional to 329,313.85, 454,447.21 and 186,070.82

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Solution

The fourth proportional to 329,313.85, 454,447.21 and 186,070.82 is: 256,774.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,313.85 : 454,447.21 = 186,070.82 : x
  2. Step 2: Convert to fraction form
    329,313.85/454,447.21 = 186,070.82/x
  3. Step 3: Cross multiply
    329,313.85x = 454,447.21 × 186,070.82
  4. Step 4: Simplify right side
    329,313.85x = 84,559,361,808.82
  5. Step 5: Solve for x
    x = 84,559,361,808.82/329,313.85
  6. Step 6: Final answer
    x = 256,774.39

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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.