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Finding the Fourth Proportional to 550,682.38, 826,271.39 and 297,666.64

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Solution

The fourth proportional to 550,682.38, 826,271.39 and 297,666.64 is: 446,633.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,682.38 : 826,271.39 = 297,666.64 : x
  2. Step 2: Convert to fraction form
    550,682.38/826,271.39 = 297,666.64/x
  3. Step 3: Cross multiply
    550,682.38x = 826,271.39 × 297,666.64
  4. Step 4: Simplify right side
    550,682.38x = 245,953,430,643.42
  5. Step 5: Solve for x
    x = 245,953,430,643.42/550,682.38
  6. Step 6: Final answer
    x = 446,633.92

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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.