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Finding the Fourth Proportional to 427,401.42, 586,725.40 and 366,866.97

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Solution

The fourth proportional to 427,401.42, 586,725.40 and 366,866.97 is: 503,625.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,401.42 : 586,725.40 = 366,866.97 : x
  2. Step 2: Convert to fraction form
    427,401.42/586,725.40 = 366,866.97/x
  3. Step 3: Cross multiply
    427,401.42x = 586,725.40 × 366,866.97
  4. Step 4: Simplify right side
    427,401.42x = 215,250,170,246.92
  5. Step 5: Solve for x
    x = 215,250,170,246.92/427,401.42
  6. Step 6: Final answer
    x = 503,625.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.