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Finding the Fourth Proportional to 444,396.51, 613,264.55 and 253,405.80

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Solution

The fourth proportional to 444,396.51, 613,264.55 and 253,405.80 is: 349,698.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,396.51 : 613,264.55 = 253,405.80 : x
  2. Step 2: Convert to fraction form
    444,396.51/613,264.55 = 253,405.80/x
  3. Step 3: Cross multiply
    444,396.51x = 613,264.55 × 253,405.80
  4. Step 4: Simplify right side
    444,396.51x = 155,404,793,904.39
  5. Step 5: Solve for x
    x = 155,404,793,904.39/444,396.51
  6. Step 6: Final answer
    x = 349,698.50

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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.