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Finding the Fourth Proportional to 437,266.80, 613,573.20 and 437,266.80

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Solution

The fourth proportional to 437,266.80, 613,573.20 and 437,266.80 is: 613,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,266.80 : 613,573.20 = 437,266.80 : x
  2. Step 2: Convert to fraction form
    437,266.80/613,573.20 = 437,266.80/x
  3. Step 3: Cross multiply
    437,266.80x = 613,573.20 × 437,266.80
  4. Step 4: Simplify right side
    437,266.80x = 268,295,189,729.76
  5. Step 5: Solve for x
    x = 268,295,189,729.76/437,266.80
  6. Step 6: Final answer
    x = 613,573.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.