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Finding the Fourth Proportional to 539,266.82, 744,192.16 and 297,558.36

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Solution

The fourth proportional to 539,266.82, 744,192.16 and 297,558.36 is: 410,632.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,266.82 : 744,192.16 = 297,558.36 : x
  2. Step 2: Convert to fraction form
    539,266.82/744,192.16 = 297,558.36/x
  3. Step 3: Cross multiply
    539,266.82x = 744,192.16 × 297,558.36
  4. Step 4: Simplify right side
    539,266.82x = 221,440,597,910.56
  5. Step 5: Solve for x
    x = 221,440,597,910.56/539,266.82
  6. Step 6: Final answer
    x = 410,632.72

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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.