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Finding the Fourth Proportional to 324,064.93, 447,142.82 and 186,217.23

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Solution

The fourth proportional to 324,064.93, 447,142.82 and 186,217.23 is: 256,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,064.93 : 447,142.82 = 186,217.23 : x
  2. Step 2: Convert to fraction form
    324,064.93/447,142.82 = 186,217.23/x
  3. Step 3: Cross multiply
    324,064.93x = 447,142.82 × 186,217.23
  4. Step 4: Simplify right side
    324,064.93x = 83,265,697,354.79
  5. Step 5: Solve for x
    x = 83,265,697,354.79/324,064.93
  6. Step 6: Final answer
    x = 256,941.40

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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.