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Finding the Fourth Proportional to 322,347.43, 444,813.42 and 186,390.18

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Solution

The fourth proportional to 322,347.43, 444,813.42 and 186,390.18 is: 257,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,347.43 : 444,813.42 = 186,390.18 : x
  2. Step 2: Convert to fraction form
    322,347.43/444,813.42 = 186,390.18/x
  3. Step 3: Cross multiply
    322,347.43x = 444,813.42 × 186,390.18
  4. Step 4: Simplify right side
    322,347.43x = 82,908,854,119.18
  5. Step 5: Solve for x
    x = 82,908,854,119.18/322,347.43
  6. Step 6: Final answer
    x = 257,203.40

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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.