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Finding the Fourth Proportional to 539,519.19, 744,536.53 and 297,801.83

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Solution

The fourth proportional to 539,519.19, 744,536.53 and 297,801.83 is: 410,966.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,519.19 : 744,536.53 = 297,801.83 : x
  2. Step 2: Convert to fraction form
    539,519.19/744,536.53 = 297,801.83/x
  3. Step 3: Cross multiply
    539,519.19x = 744,536.53 × 297,801.83
  4. Step 4: Simplify right side
    539,519.19x = 221,724,339,460.68
  5. Step 5: Solve for x
    x = 221,724,339,460.68/539,519.19
  6. Step 6: Final answer
    x = 410,966.55

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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.