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Finding the Fourth Proportional to 329,313.35, 454,446.52 and 186,070.31

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Solution

The fourth proportional to 329,313.35, 454,446.52 and 186,070.31 is: 256,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,313.35 : 454,446.52 = 186,070.31 : x
  2. Step 2: Convert to fraction form
    329,313.35/454,446.52 = 186,070.31/x
  3. Step 3: Cross multiply
    329,313.35x = 454,446.52 × 186,070.31
  4. Step 4: Simplify right side
    329,313.35x = 84,559,006,377.85
  5. Step 5: Solve for x
    x = 84,559,006,377.85/329,313.35
  6. Step 6: Final answer
    x = 256,773.70

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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.