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Finding the Fourth Proportional to 304,477.80, 420,269.22 and 177,209.96

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Solution

The fourth proportional to 304,477.80, 420,269.22 and 177,209.96 is: 244,602.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,477.80 : 420,269.22 = 177,209.96 : x
  2. Step 2: Convert to fraction form
    304,477.80/420,269.22 = 177,209.96/x
  3. Step 3: Cross multiply
    304,477.80x = 420,269.22 × 177,209.96
  4. Step 4: Simplify right side
    304,477.80x = 74,475,891,665.43
  5. Step 5: Solve for x
    x = 74,475,891,665.43/304,477.80
  6. Step 6: Final answer
    x = 244,602.04

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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.