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Finding the Fourth Proportional to 362,327.80, 545,661.64 and 330,006.64

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Solution

The fourth proportional to 362,327.80, 545,661.64 and 330,006.64 is: 496,986.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,327.80 : 545,661.64 = 330,006.64 : x
  2. Step 2: Convert to fraction form
    362,327.80/545,661.64 = 330,006.64/x
  3. Step 3: Cross multiply
    362,327.80x = 545,661.64 × 330,006.64
  4. Step 4: Simplify right side
    362,327.80x = 180,071,964,393.29
  5. Step 5: Solve for x
    x = 180,071,964,393.29/362,327.80
  6. Step 6: Final answer
    x = 496,986.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.