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Finding the Fourth Proportional to 444,078.39, 612,813.02 and 253,153.29

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Solution

The fourth proportional to 444,078.39, 612,813.02 and 253,153.29 is: 349,342.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,078.39 : 612,813.02 = 253,153.29 : x
  2. Step 2: Convert to fraction form
    444,078.39/612,813.02 = 253,153.29/x
  3. Step 3: Cross multiply
    444,078.39x = 612,813.02 × 253,153.29
  4. Step 4: Simplify right side
    444,078.39x = 155,135,630,902.07
  5. Step 5: Solve for x
    x = 155,135,630,902.07/444,078.39
  6. Step 6: Final answer
    x = 349,342.90

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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.