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Finding the Fourth Proportional to 362,321.36, 539,809.06 and 344,475.92

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Solution

The fourth proportional to 362,321.36, 539,809.06 and 344,475.92 is: 513,221.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,321.36 : 539,809.06 = 344,475.92 : x
  2. Step 2: Convert to fraction form
    362,321.36/539,809.06 = 344,475.92/x
  3. Step 3: Cross multiply
    362,321.36x = 539,809.06 × 344,475.92
  4. Step 4: Simplify right side
    362,321.36x = 185,951,222,567.84
  5. Step 5: Solve for x
    x = 185,951,222,567.84/362,321.36
  6. Step 6: Final answer
    x = 513,221.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.