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Finding the Fourth Proportional to 304,472.80, 456,709.20 and 94,110.40

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Solution

The fourth proportional to 304,472.80, 456,709.20 and 94,110.40 is: 141,165.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,472.80 : 456,709.20 = 94,110.40 : x
  2. Step 2: Convert to fraction form
    304,472.80/456,709.20 = 94,110.40/x
  3. Step 3: Cross multiply
    304,472.80x = 456,709.20 × 94,110.40
  4. Step 4: Simplify right side
    304,472.80x = 42,981,085,495.68
  5. Step 5: Solve for x
    x = 42,981,085,495.68/304,472.80
  6. Step 6: Final answer
    x = 141,165.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.