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Finding the Fourth Proportional to 632,752.40, 873,198.36 and 346,272.64

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Solution

The fourth proportional to 632,752.40, 873,198.36 and 346,272.64 is: 477,856.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,752.40 : 873,198.36 = 346,272.64 : x
  2. Step 2: Convert to fraction form
    632,752.40/873,198.36 = 346,272.64/x
  3. Step 3: Cross multiply
    632,752.40x = 873,198.36 × 346,272.64
  4. Step 4: Simplify right side
    632,752.40x = 302,364,701,360.87
  5. Step 5: Solve for x
    x = 302,364,701,360.87/632,752.40
  6. Step 6: Final answer
    x = 477,856.27

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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.