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Finding the Fourth Proportional to 304,513.54, 420,217.97 and 168,547.75

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Solution

The fourth proportional to 304,513.54, 420,217.97 and 168,547.75 is: 232,589.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,513.54 : 420,217.97 = 168,547.75 : x
  2. Step 2: Convert to fraction form
    304,513.54/420,217.97 = 168,547.75/x
  3. Step 3: Cross multiply
    304,513.54x = 420,217.97 × 168,547.75
  4. Step 4: Simplify right side
    304,513.54x = 70,826,793,353.07
  5. Step 5: Solve for x
    x = 70,826,793,353.07/304,513.54
  6. Step 6: Final answer
    x = 232,589.96

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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.