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Finding the Fourth Proportional to 383,760.40, 575,683.80 and 117,518.80

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Solution

The fourth proportional to 383,760.40, 575,683.80 and 117,518.80 is: 176,291.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,760.40 : 575,683.80 = 117,518.80 : x
  2. Step 2: Convert to fraction form
    383,760.40/575,683.80 = 117,518.80/x
  3. Step 3: Cross multiply
    383,760.40x = 575,683.80 × 117,518.80
  4. Step 4: Simplify right side
    383,760.40x = 67,653,669,355.44
  5. Step 5: Solve for x
    x = 67,653,669,355.44/383,760.40
  6. Step 6: Final answer
    x = 176,291.43

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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.