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Finding the Fourth Proportional to 499,393.21, 750,713.73 and 400,633.83

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Solution

The fourth proportional to 499,393.21, 750,713.73 and 400,633.83 is: 602,253.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,393.21 : 750,713.73 = 400,633.83 : x
  2. Step 2: Convert to fraction form
    499,393.21/750,713.73 = 400,633.83/x
  3. Step 3: Cross multiply
    499,393.21x = 750,713.73 × 400,633.83
  4. Step 4: Simplify right side
    499,393.21x = 300,761,316,883.49
  5. Step 5: Solve for x
    x = 300,761,316,883.49/499,393.21
  6. Step 6: Final answer
    x = 602,253.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.