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Finding the Fourth Proportional to 539,519.09, 744,536.43 and 297,801.77

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Solution

The fourth proportional to 539,519.09, 744,536.43 and 297,801.77 is: 410,966.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,519.09 : 744,536.43 = 297,801.77 : x
  2. Step 2: Convert to fraction form
    539,519.09/744,536.43 = 297,801.77/x
  3. Step 3: Cross multiply
    539,519.09x = 744,536.43 × 297,801.77
  4. Step 4: Simplify right side
    539,519.09x = 221,724,266,683.48
  5. Step 5: Solve for x
    x = 221,724,266,683.48/539,519.09
  6. Step 6: Final answer
    x = 410,966.49

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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.