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Finding the Fourth Proportional to 449,240.75, 619,879.05 and 265,453.74

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Solution

The fourth proportional to 449,240.75, 619,879.05 and 265,453.74 is: 366,282.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,240.75 : 619,879.05 = 265,453.74 : x
  2. Step 2: Convert to fraction form
    449,240.75/619,879.05 = 265,453.74/x
  3. Step 3: Cross multiply
    449,240.75x = 619,879.05 × 265,453.74
  4. Step 4: Simplify right side
    449,240.75x = 164,549,212,170.15
  5. Step 5: Solve for x
    x = 164,549,212,170.15/449,240.75
  6. Step 6: Final answer
    x = 366,282.92

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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.