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Finding the Fourth Proportional to 508,406.52, 701,634.24 and 293,555.64

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Solution

The fourth proportional to 508,406.52, 701,634.24 and 293,555.64 is: 405,125.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,406.52 : 701,634.24 = 293,555.64 : x
  2. Step 2: Convert to fraction form
    508,406.52/701,634.24 = 293,555.64/x
  3. Step 3: Cross multiply
    508,406.52x = 701,634.24 × 293,555.64
  4. Step 4: Simplify right side
    508,406.52x = 205,968,688,369.11
  5. Step 5: Solve for x
    x = 205,968,688,369.11/508,406.52
  6. Step 6: Final answer
    x = 405,125.98

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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.