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Finding the Fourth Proportional to 328,424.58, 453,226.04 and 177,521.58

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Solution

The fourth proportional to 328,424.58, 453,226.04 and 177,521.58 is: 244,979.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,424.58 : 453,226.04 = 177,521.58 : x
  2. Step 2: Convert to fraction form
    328,424.58/453,226.04 = 177,521.58/x
  3. Step 3: Cross multiply
    328,424.58x = 453,226.04 × 177,521.58
  4. Step 4: Simplify right side
    328,424.58x = 80,457,402,717.94
  5. Step 5: Solve for x
    x = 80,457,402,717.94/328,424.58
  6. Step 6: Final answer
    x = 244,979.85

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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.