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Finding the Fourth Proportional to 444,881.60, 613,980.60 and 253,923.76

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Solution

The fourth proportional to 444,881.60, 613,980.60 and 253,923.76 is: 350,439.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,881.60 : 613,980.60 = 253,923.76 : x
  2. Step 2: Convert to fraction form
    444,881.60/613,980.60 = 253,923.76/x
  3. Step 3: Cross multiply
    444,881.60x = 613,980.60 × 253,923.76
  4. Step 4: Simplify right side
    444,881.60x = 155,904,262,519.06
  5. Step 5: Solve for x
    x = 155,904,262,519.06/444,881.60
  6. Step 6: Final answer
    x = 350,439.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.