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Finding the Fourth Proportional to 447,427.36, 617,449.40 and 246,223.36

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Solution

The fourth proportional to 447,427.36, 617,449.40 and 246,223.36 is: 339,788.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,427.36 : 617,449.40 = 246,223.36 : x
  2. Step 2: Convert to fraction form
    447,427.36/617,449.40 = 246,223.36/x
  3. Step 3: Cross multiply
    447,427.36x = 617,449.40 × 246,223.36
  4. Step 4: Simplify right side
    447,427.36x = 152,030,465,897.98
  5. Step 5: Solve for x
    x = 152,030,465,897.98/447,427.36
  6. Step 6: Final answer
    x = 339,788.04

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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.