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Finding the Fourth Proportional to 304,442.70, 420,299.82 and 183,614.46

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Solution

The fourth proportional to 304,442.70, 420,299.82 and 183,614.46 is: 253,489.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,442.70 : 420,299.82 = 183,614.46 : x
  2. Step 2: Convert to fraction form
    304,442.70/420,299.82 = 183,614.46/x
  3. Step 3: Cross multiply
    304,442.70x = 420,299.82 × 183,614.46
  4. Step 4: Simplify right side
    304,442.70x = 77,173,124,487.40
  5. Step 5: Solve for x
    x = 77,173,124,487.40/304,442.70
  6. Step 6: Final answer
    x = 253,489.82

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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.