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Finding the Fourth Proportional to 633,035.41, 873,588.91 and 346,555.49

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Solution

The fourth proportional to 633,035.41, 873,588.91 and 346,555.49 is: 478,246.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,035.41 : 873,588.91 = 346,555.49 : x
  2. Step 2: Convert to fraction form
    633,035.41/873,588.91 = 346,555.49/x
  3. Step 3: Cross multiply
    633,035.41x = 873,588.91 × 346,555.49
  4. Step 4: Simplify right side
    633,035.41x = 302,747,036,651.56
  5. Step 5: Solve for x
    x = 302,747,036,651.56/633,035.41
  6. Step 6: Final answer
    x = 478,246.61

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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.