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Finding the Fourth Proportional to 632,980.70, 873,522.98 and 346,527.44

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Solution

The fourth proportional to 632,980.70, 873,522.98 and 346,527.44 is: 478,213.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,980.70 : 873,522.98 = 346,527.44 : x
  2. Step 2: Convert to fraction form
    632,980.70/873,522.98 = 346,527.44/x
  3. Step 3: Cross multiply
    632,980.70x = 873,522.98 × 346,527.44
  4. Step 4: Simplify right side
    632,980.70x = 302,699,682,040.57
  5. Step 5: Solve for x
    x = 302,699,682,040.57/632,980.70
  6. Step 6: Final answer
    x = 478,213.13

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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.