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Finding the Fourth Proportional to 402,801.41, 604,072.86 and 132,868.91

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Solution

The fourth proportional to 402,801.41, 604,072.86 and 132,868.91 is: 199,260.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,801.41 : 604,072.86 = 132,868.91 : x
  2. Step 2: Convert to fraction form
    402,801.41/604,072.86 = 132,868.91/x
  3. Step 3: Cross multiply
    402,801.41x = 604,072.86 × 132,868.91
  4. Step 4: Simplify right side
    402,801.41x = 80,262,502,211.95
  5. Step 5: Solve for x
    x = 80,262,502,211.95/402,801.41
  6. Step 6: Final answer
    x = 199,260.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.