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Finding the Fourth Proportional to 351,387.36, 484,915.68 and 190,244.16

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Solution

The fourth proportional to 351,387.36, 484,915.68 and 190,244.16 is: 262,537.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,387.36 : 484,915.68 = 190,244.16 : x
  2. Step 2: Convert to fraction form
    351,387.36/484,915.68 = 190,244.16/x
  3. Step 3: Cross multiply
    351,387.36x = 484,915.68 × 190,244.16
  4. Step 4: Simplify right side
    351,387.36x = 92,252,376,212.43
  5. Step 5: Solve for x
    x = 92,252,376,212.43/351,387.36
  6. Step 6: Final answer
    x = 262,537.55

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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.