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Finding the Fourth Proportional to 539,590.51, 744,615.39 and 297,867.89

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Solution

The fourth proportional to 539,590.51, 744,615.39 and 297,867.89 is: 411,046.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,590.51 : 744,615.39 = 297,867.89 : x
  2. Step 2: Convert to fraction form
    539,590.51/744,615.39 = 297,867.89/x
  3. Step 3: Cross multiply
    539,590.51x = 744,615.39 × 297,867.89
  4. Step 4: Simplify right side
    539,590.51x = 221,797,017,012.10
  5. Step 5: Solve for x
    x = 221,797,017,012.10/539,590.51
  6. Step 6: Final answer
    x = 411,046.92

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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.