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Finding the Fourth Proportional to 581,682.23, 802,393.65 and 349,049.00

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Solution

The fourth proportional to 581,682.23, 802,393.65 and 349,049.00 is: 481,490.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,682.23 : 802,393.65 = 349,049.00 : x
  2. Step 2: Convert to fraction form
    581,682.23/802,393.65 = 349,049.00/x
  3. Step 3: Cross multiply
    581,682.23x = 802,393.65 × 349,049.00
  4. Step 4: Simplify right side
    581,682.23x = 280,074,697,126.88
  5. Step 5: Solve for x
    x = 280,074,697,126.88/581,682.23
  6. Step 6: Final answer
    x = 481,490.90

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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.