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Finding the Fourth Proportional to 447,355.63, 617,350.77 and 246,151.63

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Solution

The fourth proportional to 447,355.63, 617,350.77 and 246,151.63 is: 339,689.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,355.63 : 617,350.77 = 246,151.63 : x
  2. Step 2: Convert to fraction form
    447,355.63/617,350.77 = 246,151.63/x
  3. Step 3: Cross multiply
    447,355.63x = 617,350.77 × 246,151.63
  4. Step 4: Simplify right side
    447,355.63x = 151,961,893,999.74
  5. Step 5: Solve for x
    x = 151,961,893,999.74/447,355.63
  6. Step 6: Final answer
    x = 339,689.24

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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.