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Finding the Fourth Proportional to 383,513.59, 575,145.18 and 127,277.33

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Solution

The fourth proportional to 383,513.59, 575,145.18 and 127,277.33 is: 190,874.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,513.59 : 575,145.18 = 127,277.33 : x
  2. Step 2: Convert to fraction form
    383,513.59/575,145.18 = 127,277.33/x
  3. Step 3: Cross multiply
    383,513.59x = 575,145.18 × 127,277.33
  4. Step 4: Simplify right side
    383,513.59x = 73,202,942,872.77
  5. Step 5: Solve for x
    x = 73,202,942,872.77/383,513.59
  6. Step 6: Final answer
    x = 190,874.44

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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.