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Finding the Fourth Proportional to 450,666.33, 622,120.55 and 297,799.89

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Solution

The fourth proportional to 450,666.33, 622,120.55 and 297,799.89 is: 411,096.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,666.33 : 622,120.55 = 297,799.89 : x
  2. Step 2: Convert to fraction form
    450,666.33/622,120.55 = 297,799.89/x
  3. Step 3: Cross multiply
    450,666.33x = 622,120.55 × 297,799.89
  4. Step 4: Simplify right side
    450,666.33x = 185,267,429,867.74
  5. Step 5: Solve for x
    x = 185,267,429,867.74/450,666.33
  6. Step 6: Final answer
    x = 411,096.68

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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.