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Finding the Fourth Proportional to 632,722.88, 873,157.62 and 346,242.98

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Solution

The fourth proportional to 632,722.88, 873,157.62 and 346,242.98 is: 477,815.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,722.88 : 873,157.62 = 346,242.98 : x
  2. Step 2: Convert to fraction form
    632,722.88/873,157.62 = 346,242.98/x
  3. Step 3: Cross multiply
    632,722.88x = 873,157.62 × 346,242.98
  4. Step 4: Simplify right side
    632,722.88x = 302,324,696,358.51
  5. Step 5: Solve for x
    x = 302,324,696,358.51/632,722.88
  6. Step 6: Final answer
    x = 477,815.34

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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.