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Finding the Fourth Proportional to 370,411.56, 555,559.38 and 117,658.80

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Solution

The fourth proportional to 370,411.56, 555,559.38 and 117,658.80 is: 176,469.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,411.56 : 555,559.38 = 117,658.80 : x
  2. Step 2: Convert to fraction form
    370,411.56/555,559.38 = 117,658.80/x
  3. Step 3: Cross multiply
    370,411.56x = 555,559.38 × 117,658.80
  4. Step 4: Simplify right side
    370,411.56x = 65,366,449,979.54
  5. Step 5: Solve for x
    x = 65,366,449,979.54/370,411.56
  6. Step 6: Final answer
    x = 176,469.79

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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.