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Finding the Fourth Proportional to 336,286.80, 504,430.20 and 125,913.60

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Solution

The fourth proportional to 336,286.80, 504,430.20 and 125,913.60 is: 188,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,286.80 : 504,430.20 = 125,913.60 : x
  2. Step 2: Convert to fraction form
    336,286.80/504,430.20 = 125,913.60/x
  3. Step 3: Cross multiply
    336,286.80x = 504,430.20 × 125,913.60
  4. Step 4: Simplify right side
    336,286.80x = 63,514,622,430.72
  5. Step 5: Solve for x
    x = 63,514,622,430.72/336,286.80
  6. Step 6: Final answer
    x = 188,870.40

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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.