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Finding the Fourth Proportional to 632,862.88, 873,317.25 and 346,327.60

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Solution

The fourth proportional to 632,862.88, 873,317.25 and 346,327.60 is: 477,913.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,862.88 : 873,317.25 = 346,327.60 : x
  2. Step 2: Convert to fraction form
    632,862.88/873,317.25 = 346,327.60/x
  3. Step 3: Cross multiply
    632,862.88x = 873,317.25 × 346,327.60
  4. Step 4: Simplify right side
    632,862.88x = 302,453,867,231.10
  5. Step 5: Solve for x
    x = 302,453,867,231.10/632,862.88
  6. Step 6: Final answer
    x = 477,913.74

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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.