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Finding the Fourth Proportional to 539,519.01, 744,536.27 and 297,801.64

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Solution

The fourth proportional to 539,519.01, 744,536.27 and 297,801.64 is: 410,966.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,519.01 : 744,536.27 = 297,801.64 : x
  2. Step 2: Convert to fraction form
    539,519.01/744,536.27 = 297,801.64/x
  3. Step 3: Cross multiply
    539,519.01x = 744,536.27 × 297,801.64
  4. Step 4: Simplify right side
    539,519.01x = 221,724,122,803.90
  5. Step 5: Solve for x
    x = 221,724,122,803.90/539,519.01
  6. Step 6: Final answer
    x = 410,966.29

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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.