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Finding the Fourth Proportional to 244,205.40, 366,372.90 and 86,417.40

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Solution

The fourth proportional to 244,205.40, 366,372.90 and 86,417.40 is: 129,649.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,205.40 : 366,372.90 = 86,417.40 : x
  2. Step 2: Convert to fraction form
    244,205.40/366,372.90 = 86,417.40/x
  3. Step 3: Cross multiply
    244,205.40x = 366,372.90 × 86,417.40
  4. Step 4: Simplify right side
    244,205.40x = 31,660,993,448.46
  5. Step 5: Solve for x
    x = 31,660,993,448.46/244,205.40
  6. Step 6: Final answer
    x = 129,649.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.