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Finding the Fourth Proportional to 336,419.20, 504,229.20 and 178,566.40

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Solution

The fourth proportional to 336,419.20, 504,229.20 and 178,566.40 is: 267,637.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,419.20 : 504,229.20 = 178,566.40 : x
  2. Step 2: Convert to fraction form
    336,419.20/504,229.20 = 178,566.40/x
  3. Step 3: Cross multiply
    336,419.20x = 504,229.20 × 178,566.40
  4. Step 4: Simplify right side
    336,419.20x = 90,038,393,018.88
  5. Step 5: Solve for x
    x = 90,038,393,018.88/336,419.20
  6. Step 6: Final answer
    x = 267,637.50

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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.