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Finding the Fourth Proportional to 427,776.84, 590,324.90 and 236,786.13

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Solution

The fourth proportional to 427,776.84, 590,324.90 and 236,786.13 is: 326,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,776.84 : 590,324.90 = 236,786.13 : x
  2. Step 2: Convert to fraction form
    427,776.84/590,324.90 = 236,786.13/x
  3. Step 3: Cross multiply
    427,776.84x = 590,324.90 × 236,786.13
  4. Step 4: Simplify right side
    427,776.84x = 139,780,747,329.71
  5. Step 5: Solve for x
    x = 139,780,747,329.71/427,776.84
  6. Step 6: Final answer
    x = 326,760.90

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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.