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Finding the Fourth Proportional to 447,360, 617,361.12 and 246,160.32

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Solution

The fourth proportional to 447,360, 617,361.12 and 246,160.32 is: 339,703.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,360 : 617,361.12 = 246,160.32 : x
  2. Step 2: Convert to fraction form
    447,360/617,361.12 = 246,160.32/x
  3. Step 3: Cross multiply
    447,360x = 617,361.12 × 246,160.32
  4. Step 4: Simplify right side
    447,360x = 151,969,810,854.76
  5. Step 5: Solve for x
    x = 151,969,810,854.76/447,360
  6. Step 6: Final answer
    x = 339,703.62

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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.