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Finding the Fourth Proportional to 383,797.20, 575,695.80 and 117,555.60

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Solution

The fourth proportional to 383,797.20, 575,695.80 and 117,555.60 is: 176,333.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,797.20 : 575,695.80 = 117,555.60 : x
  2. Step 2: Convert to fraction form
    383,797.20/575,695.80 = 117,555.60/x
  3. Step 3: Cross multiply
    383,797.20x = 575,695.80 × 117,555.60
  4. Step 4: Simplify right side
    383,797.20x = 67,676,265,186.48
  5. Step 5: Solve for x
    x = 67,676,265,186.48/383,797.20
  6. Step 6: Final answer
    x = 176,333.40

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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.