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Finding the Fourth Proportional to 620,563.62, 930,291.36 and 265,394.82

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Solution

The fourth proportional to 620,563.62, 930,291.36 and 265,394.82 is: 397,855.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,563.62 : 930,291.36 = 265,394.82 : x
  2. Step 2: Convert to fraction form
    620,563.62/930,291.36 = 265,394.82/x
  3. Step 3: Cross multiply
    620,563.62x = 930,291.36 × 265,394.82
  4. Step 4: Simplify right side
    620,563.62x = 246,894,508,034.76
  5. Step 5: Solve for x
    x = 246,894,508,034.76/620,563.62
  6. Step 6: Final answer
    x = 397,855.27

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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.