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Finding the Fourth Proportional to 556,591.50, 768,096.68 and 301,943.70

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Solution

The fourth proportional to 556,591.50, 768,096.68 and 301,943.70 is: 416,682.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,591.50 : 768,096.68 = 301,943.70 : x
  2. Step 2: Convert to fraction form
    556,591.50/768,096.68 = 301,943.70/x
  3. Step 3: Cross multiply
    556,591.50x = 768,096.68 × 301,943.70
  4. Step 4: Simplify right side
    556,591.50x = 231,921,952,007.20
  5. Step 5: Solve for x
    x = 231,921,952,007.20/556,591.50
  6. Step 6: Final answer
    x = 416,682.53

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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.