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Finding the Fourth Proportional to 383,756.14, 575,635.65 and 117,515.62

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Solution

The fourth proportional to 383,756.14, 575,635.65 and 117,515.62 is: 176,273.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,756.14 : 575,635.65 = 117,515.62 : x
  2. Step 2: Convert to fraction form
    383,756.14/575,635.65 = 117,515.62/x
  3. Step 3: Cross multiply
    383,756.14x = 575,635.65 × 117,515.62
  4. Step 4: Simplify right side
    383,756.14x = 67,646,180,303.85
  5. Step 5: Solve for x
    x = 67,646,180,303.85/383,756.14
  6. Step 6: Final answer
    x = 176,273.87

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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.