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Finding the Fourth Proportional to 303,567.12, 418,920.66 and 167,609.52

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Solution

The fourth proportional to 303,567.12, 418,920.66 and 167,609.52 is: 231,300.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,567.12 : 418,920.66 = 167,609.52 : x
  2. Step 2: Convert to fraction form
    303,567.12/418,920.66 = 167,609.52/x
  3. Step 3: Cross multiply
    303,567.12x = 418,920.66 × 167,609.52
  4. Step 4: Simplify right side
    303,567.12x = 70,215,090,740.68
  5. Step 5: Solve for x
    x = 70,215,090,740.68/303,567.12
  6. Step 6: Final answer
    x = 231,300.05

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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.