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Finding the Fourth Proportional to 444,812.76, 613,885.64 and 253,854.86

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Solution

The fourth proportional to 444,812.76, 613,885.64 and 253,854.86 is: 350,344.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,812.76 : 613,885.64 = 253,854.86 : x
  2. Step 2: Convert to fraction form
    444,812.76/613,885.64 = 253,854.86/x
  3. Step 3: Cross multiply
    444,812.76x = 613,885.64 × 253,854.86
  4. Step 4: Simplify right side
    444,812.76x = 155,837,848,859.51
  5. Step 5: Solve for x
    x = 155,837,848,859.51/444,812.76
  6. Step 6: Final answer
    x = 350,344.83

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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.