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Finding the Fourth Proportional to 550,761.88, 824,393.20 and 297,682.24

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Solution

The fourth proportional to 550,761.88, 824,393.20 and 297,682.24 is: 445,577.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,761.88 : 824,393.20 = 297,682.24 : x
  2. Step 2: Convert to fraction form
    550,761.88/824,393.20 = 297,682.24/x
  3. Step 3: Cross multiply
    550,761.88x = 824,393.20 × 297,682.24
  4. Step 4: Simplify right side
    550,761.88x = 245,407,214,416.77
  5. Step 5: Solve for x
    x = 245,407,214,416.77/550,761.88
  6. Step 6: Final answer
    x = 445,577.70

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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.