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Finding the Fourth Proportional to 447,768, 617,924.16 and 246,568.32

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Solution

The fourth proportional to 447,768, 617,924.16 and 246,568.32 is: 340,266.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,768 : 617,924.16 = 246,568.32 : x
  2. Step 2: Convert to fraction form
    447,768/617,924.16 = 246,568.32/x
  3. Step 3: Cross multiply
    447,768x = 617,924.16 × 246,568.32
  4. Step 4: Simplify right side
    447,768x = 152,360,522,018.61
  5. Step 5: Solve for x
    x = 152,360,522,018.61/447,768
  6. Step 6: Final answer
    x = 340,266.66

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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.