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Finding the Fourth Proportional to 338,409.27, 467,004.81 and 187,506.27

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Solution

The fourth proportional to 338,409.27, 467,004.81 and 187,506.27 is: 258,758.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,409.27 : 467,004.81 = 187,506.27 : x
  2. Step 2: Convert to fraction form
    338,409.27/467,004.81 = 187,506.27/x
  3. Step 3: Cross multiply
    338,409.27x = 467,004.81 × 187,506.27
  4. Step 4: Simplify right side
    338,409.27x = 87,566,329,995.16
  5. Step 5: Solve for x
    x = 87,566,329,995.16/338,409.27
  6. Step 6: Final answer
    x = 258,758.66

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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.