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Finding the Fourth Proportional to 304,671.36, 420,441.33 and 168,702.36

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Solution

The fourth proportional to 304,671.36, 420,441.33 and 168,702.36 is: 232,806.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,671.36 : 420,441.33 = 168,702.36 : x
  2. Step 2: Convert to fraction form
    304,671.36/420,441.33 = 168,702.36/x
  3. Step 3: Cross multiply
    304,671.36x = 420,441.33 × 168,702.36
  4. Step 4: Simplify right side
    304,671.36x = 70,929,444,612.54
  5. Step 5: Solve for x
    x = 70,929,444,612.54/304,671.36
  6. Step 6: Final answer
    x = 232,806.41

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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.