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Finding the Fourth Proportional to 444,310.42, 613,133.12 and 253,385.26

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Solution

The fourth proportional to 444,310.42, 613,133.12 and 253,385.26 is: 349,662.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,310.42 : 613,133.12 = 253,385.26 : x
  2. Step 2: Convert to fraction form
    444,310.42/613,133.12 = 253,385.26/x
  3. Step 3: Cross multiply
    444,310.42x = 613,133.12 × 253,385.26
  4. Step 4: Simplify right side
    444,310.42x = 155,358,895,025.81
  5. Step 5: Solve for x
    x = 155,358,895,025.81/444,310.42
  6. Step 6: Final answer
    x = 349,662.96

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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.