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Finding the Fourth Proportional to 383,833.56, 575,750.22 and 134,515.56

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Solution

The fourth proportional to 383,833.56, 575,750.22 and 134,515.56 is: 201,773.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,833.56 : 575,750.22 = 134,515.56 : x
  2. Step 2: Convert to fraction form
    383,833.56/575,750.22 = 134,515.56/x
  3. Step 3: Cross multiply
    383,833.56x = 575,750.22 × 134,515.56
  4. Step 4: Simplify right side
    383,833.56x = 77,447,363,263.42
  5. Step 5: Solve for x
    x = 77,447,363,263.42/383,833.56
  6. Step 6: Final answer
    x = 201,773.30

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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.