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Finding the Fourth Proportional to 585,493.44, 807,973.92 and 355,974.72

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Solution

The fourth proportional to 585,493.44, 807,973.92 and 355,974.72 is: 491,240.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,493.44 : 807,973.92 = 355,974.72 : x
  2. Step 2: Convert to fraction form
    585,493.44/807,973.92 = 355,974.72/x
  3. Step 3: Cross multiply
    585,493.44x = 807,973.92 × 355,974.72
  4. Step 4: Simplify right side
    585,493.44x = 287,618,289,939.30
  5. Step 5: Solve for x
    x = 287,618,289,939.30/585,493.44
  6. Step 6: Final answer
    x = 491,240.84

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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.