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Finding the Fourth Proportional to 508,405.52, 701,632.86 and 293,554.64

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Solution

The fourth proportional to 508,405.52, 701,632.86 and 293,554.64 is: 405,124.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,405.52 : 701,632.86 = 293,554.64 : x
  2. Step 2: Convert to fraction form
    508,405.52/701,632.86 = 293,554.64/x
  3. Step 3: Cross multiply
    508,405.52x = 701,632.86 × 293,554.64
  4. Step 4: Simplify right side
    508,405.52x = 205,967,581,629.47
  5. Step 5: Solve for x
    x = 205,967,581,629.47/508,405.52
  6. Step 6: Final answer
    x = 405,124.60

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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.