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Finding the Fourth Proportional to 328,951.49, 453,927.71 and 185,725.67

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Solution

The fourth proportional to 328,951.49, 453,927.71 and 185,725.67 is: 256,287.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,951.49 : 453,927.71 = 185,725.67 : x
  2. Step 2: Convert to fraction form
    328,951.49/453,927.71 = 185,725.67/x
  3. Step 3: Cross multiply
    328,951.49x = 453,927.71 × 185,725.67
  4. Step 4: Simplify right side
    328,951.49x = 84,306,026,265.99
  5. Step 5: Solve for x
    x = 84,306,026,265.99/328,951.49
  6. Step 6: Final answer
    x = 256,287.11

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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.