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Finding the Fourth Proportional to 539,339.51, 744,256.45 and 297,644.83

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Solution

The fourth proportional to 539,339.51, 744,256.45 and 297,644.83 is: 410,732.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,339.51 : 744,256.45 = 297,644.83 : x
  2. Step 2: Convert to fraction form
    539,339.51/744,256.45 = 297,644.83/x
  3. Step 3: Cross multiply
    539,339.51x = 744,256.45 × 297,644.83
  4. Step 4: Simplify right side
    539,339.51x = 221,524,083,048.07
  5. Step 5: Solve for x
    x = 221,524,083,048.07/539,339.51
  6. Step 6: Final answer
    x = 410,732.16

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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.