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Finding the Fourth Proportional to 444,396.01, 613,263.86 and 253,405.30

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Solution

The fourth proportional to 444,396.01, 613,263.86 and 253,405.30 is: 349,697.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,396.01 : 613,263.86 = 253,405.30 : x
  2. Step 2: Convert to fraction form
    444,396.01/613,263.86 = 253,405.30/x
  3. Step 3: Cross multiply
    444,396.01x = 613,263.86 × 253,405.30
  4. Step 4: Simplify right side
    444,396.01x = 155,404,309,356.14
  5. Step 5: Solve for x
    x = 155,404,309,356.14/444,396.01
  6. Step 6: Final answer
    x = 349,697.81

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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.