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Finding the Fourth Proportional to 445,447.20, 614,806.44 and 264,259.70

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Solution

The fourth proportional to 445,447.20, 614,806.44 and 264,259.70 is: 364,731.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,447.20 : 614,806.44 = 264,259.70 : x
  2. Step 2: Convert to fraction form
    445,447.20/614,806.44 = 264,259.70/x
  3. Step 3: Cross multiply
    445,447.20x = 614,806.44 × 264,259.70
  4. Step 4: Simplify right side
    445,447.20x = 162,468,565,392.47
  5. Step 5: Solve for x
    x = 162,468,565,392.47/445,447.20
  6. Step 6: Final answer
    x = 364,731.37

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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.