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Finding the Fourth Proportional to 508,697.88, 702,036.21 and 293,847

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Solution

The fourth proportional to 508,697.88, 702,036.21 and 293,847 is: 405,528.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,697.88 : 702,036.21 = 293,847 : x
  2. Step 2: Convert to fraction form
    508,697.88/702,036.21 = 293,847/x
  3. Step 3: Cross multiply
    508,697.88x = 702,036.21 × 293,847
  4. Step 4: Simplify right side
    508,697.88x = 206,291,234,199.87
  5. Step 5: Solve for x
    x = 206,291,234,199.87/508,697.88
  6. Step 6: Final answer
    x = 405,528.00

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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.