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Finding the Fourth Proportional to 317,284.64, 437,792.16 and 181,361.64

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Solution

The fourth proportional to 317,284.64, 437,792.16 and 181,361.64 is: 250,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,284.64 : 437,792.16 = 181,361.64 : x
  2. Step 2: Convert to fraction form
    317,284.64/437,792.16 = 181,361.64/x
  3. Step 3: Cross multiply
    317,284.64x = 437,792.16 × 181,361.64
  4. Step 4: Simplify right side
    317,284.64x = 79,398,704,116.74
  5. Step 5: Solve for x
    x = 79,398,704,116.74/317,284.64
  6. Step 6: Final answer
    x = 250,244.40

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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.