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Finding the Fourth Proportional to 357,761.62, 493,190.94 and 249,997.06

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Solution

The fourth proportional to 357,761.62, 493,190.94 and 249,997.06 is: 344,632.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,761.62 : 493,190.94 = 249,997.06 : x
  2. Step 2: Convert to fraction form
    357,761.62/493,190.94 = 249,997.06/x
  3. Step 3: Cross multiply
    357,761.62x = 493,190.94 × 249,997.06
  4. Step 4: Simplify right side
    357,761.62x = 123,296,285,018.64
  5. Step 5: Solve for x
    x = 123,296,285,018.64/357,761.62
  6. Step 6: Final answer
    x = 344,632.51

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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.