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Finding the Fourth Proportional to 525,933, 725,743.62 and 293,345.55

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Solution

The fourth proportional to 525,933, 725,743.62 and 293,345.55 is: 404,792.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,933 : 725,743.62 = 293,345.55 : x
  2. Step 2: Convert to fraction form
    525,933/725,743.62 = 293,345.55/x
  3. Step 3: Cross multiply
    525,933x = 725,743.62 × 293,345.55
  4. Step 4: Simplify right side
    525,933x = 212,893,661,367.89
  5. Step 5: Solve for x
    x = 212,893,661,367.89/525,933
  6. Step 6: Final answer
    x = 404,792.36

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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.