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Finding the Fourth Proportional to 362,326.80, 545,660.13 and 330,005.64

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Solution

The fourth proportional to 362,326.80, 545,660.13 and 330,005.64 is: 496,984.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,326.80 : 545,660.13 = 330,005.64 : x
  2. Step 2: Convert to fraction form
    362,326.80/545,660.13 = 330,005.64/x
  3. Step 3: Cross multiply
    362,326.80x = 545,660.13 × 330,005.64
  4. Step 4: Simplify right side
    362,326.80x = 180,070,920,423.13
  5. Step 5: Solve for x
    x = 180,070,920,423.13/362,326.80
  6. Step 6: Final answer
    x = 496,984.82

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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.