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Finding the Fourth Proportional to 329,828.54, 455,164.28 and 178,925.54

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Solution

The fourth proportional to 329,828.54, 455,164.28 and 178,925.54 is: 246,917.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,828.54 : 455,164.28 = 178,925.54 : x
  2. Step 2: Convert to fraction form
    329,828.54/455,164.28 = 178,925.54/x
  3. Step 3: Cross multiply
    329,828.54x = 455,164.28 × 178,925.54
  4. Step 4: Simplify right side
    329,828.54x = 81,440,514,587.71
  5. Step 5: Solve for x
    x = 81,440,514,587.71/329,828.54
  6. Step 6: Final answer
    x = 246,917.73

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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.