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Finding the Fourth Proportional to 367,317.20, 550,392.60 and 242,512.40

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Solution

The fourth proportional to 367,317.20, 550,392.60 and 242,512.40 is: 363,383.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,317.20 : 550,392.60 = 242,512.40 : x
  2. Step 2: Convert to fraction form
    367,317.20/550,392.60 = 242,512.40/x
  3. Step 3: Cross multiply
    367,317.20x = 550,392.60 × 242,512.40
  4. Step 4: Simplify right side
    367,317.20x = 133,477,030,368.24
  5. Step 5: Solve for x
    x = 133,477,030,368.24/367,317.20
  6. Step 6: Final answer
    x = 363,383.56

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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.