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Finding the Fourth Proportional to 556,617.46, 768,132.40 and 301,968.62

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Solution

The fourth proportional to 556,617.46, 768,132.40 and 301,968.62 is: 416,716.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,617.46 : 768,132.40 = 301,968.62 : x
  2. Step 2: Convert to fraction form
    556,617.46/768,132.40 = 301,968.62/x
  3. Step 3: Cross multiply
    556,617.46x = 768,132.40 × 301,968.62
  4. Step 4: Simplify right side
    556,617.46x = 231,951,880,805.29
  5. Step 5: Solve for x
    x = 231,951,880,805.29/556,617.46
  6. Step 6: Final answer
    x = 416,716.86

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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.