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Finding the Fourth Proportional to 330,576.94, 456,205.80 and 187,332.22

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Solution

The fourth proportional to 330,576.94, 456,205.80 and 187,332.22 is: 258,523.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,576.94 : 456,205.80 = 187,332.22 : x
  2. Step 2: Convert to fraction form
    330,576.94/456,205.80 = 187,332.22/x
  3. Step 3: Cross multiply
    330,576.94x = 456,205.80 × 187,332.22
  4. Step 4: Simplify right side
    330,576.94x = 85,462,045,290.88
  5. Step 5: Solve for x
    x = 85,462,045,290.88/330,576.94
  6. Step 6: Final answer
    x = 258,523.92

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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.