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Finding the Fourth Proportional to 625,190.76, 936,658.62 and 384,886.44

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Solution

The fourth proportional to 625,190.76, 936,658.62 and 384,886.44 is: 576,635.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,190.76 : 936,658.62 = 384,886.44 : x
  2. Step 2: Convert to fraction form
    625,190.76/936,658.62 = 384,886.44/x
  3. Step 3: Cross multiply
    625,190.76x = 936,658.62 × 384,886.44
  4. Step 4: Simplify right side
    625,190.76x = 360,507,201,747.11
  5. Step 5: Solve for x
    x = 360,507,201,747.11/625,190.76
  6. Step 6: Final answer
    x = 576,635.52

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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.