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Finding the Fourth Proportional to 336,005.20, 504,007.80 and 194,287.60

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Solution

The fourth proportional to 336,005.20, 504,007.80 and 194,287.60 is: 291,431.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,005.20 : 504,007.80 = 194,287.60 : x
  2. Step 2: Convert to fraction form
    336,005.20/504,007.80 = 194,287.60/x
  3. Step 3: Cross multiply
    336,005.20x = 504,007.80 × 194,287.60
  4. Step 4: Simplify right side
    336,005.20x = 97,922,465,843.28
  5. Step 5: Solve for x
    x = 97,922,465,843.28/336,005.20
  6. Step 6: Final answer
    x = 291,431.40

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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.