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Finding the Fourth Proportional to 329,349.47, 454,502.57 and 178,446.47

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Solution

The fourth proportional to 329,349.47, 454,502.57 and 178,446.47 is: 246,256.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,349.47 : 454,502.57 = 178,446.47 : x
  2. Step 2: Convert to fraction form
    329,349.47/454,502.57 = 178,446.47/x
  3. Step 3: Cross multiply
    329,349.47x = 454,502.57 × 178,446.47
  4. Step 4: Simplify right side
    329,349.47x = 81,104,380,804.80
  5. Step 5: Solve for x
    x = 81,104,380,804.80/329,349.47
  6. Step 6: Final answer
    x = 246,256.29

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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.