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Finding the Fourth Proportional to 383,415.24, 575,378.82 and 134,097.24

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Solution

The fourth proportional to 383,415.24, 575,378.82 and 134,097.24 is: 201,235.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,415.24 : 575,378.82 = 134,097.24 : x
  2. Step 2: Convert to fraction form
    383,415.24/575,378.82 = 134,097.24/x
  3. Step 3: Cross multiply
    383,415.24x = 575,378.82 × 134,097.24
  4. Step 4: Simplify right side
    383,415.24x = 77,156,711,716.46
  5. Step 5: Solve for x
    x = 77,156,711,716.46/383,415.24
  6. Step 6: Final answer
    x = 201,235.38

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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.