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Finding the Fourth Proportional to 328,622.40, 453,497.94 and 185,382

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Solution

The fourth proportional to 328,622.40, 453,497.94 and 185,382 is: 255,826.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,622.40 : 453,497.94 = 185,382 : x
  2. Step 2: Convert to fraction form
    328,622.40/453,497.94 = 185,382/x
  3. Step 3: Cross multiply
    328,622.40x = 453,497.94 × 185,382
  4. Step 4: Simplify right side
    328,622.40x = 84,070,355,113.08
  5. Step 5: Solve for x
    x = 84,070,355,113.08/328,622.40
  6. Step 6: Final answer
    x = 255,826.61

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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.