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Finding the Fourth Proportional to 335,812.80, 503,546.40 and 125,342.40

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Solution

The fourth proportional to 335,812.80, 503,546.40 and 125,342.40 is: 187,949.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,812.80 : 503,546.40 = 125,342.40 : x
  2. Step 2: Convert to fraction form
    335,812.80/503,546.40 = 125,342.40/x
  3. Step 3: Cross multiply
    335,812.80x = 503,546.40 × 125,342.40
  4. Step 4: Simplify right side
    335,812.80x = 63,115,714,287.36
  5. Step 5: Solve for x
    x = 63,115,714,287.36/335,812.80
  6. Step 6: Final answer
    x = 187,949.10

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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.