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Finding the Fourth Proportional to 633,263.43, 873,877.28 and 346,778.58

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Solution

The fourth proportional to 633,263.43, 873,877.28 and 346,778.58 is: 478,540.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,263.43 : 873,877.28 = 346,778.58 : x
  2. Step 2: Convert to fraction form
    633,263.43/873,877.28 = 346,778.58/x
  3. Step 3: Cross multiply
    633,263.43x = 873,877.28 × 346,778.58
  4. Step 4: Simplify right side
    633,263.43x = 303,041,922,252.66
  5. Step 5: Solve for x
    x = 303,041,922,252.66/633,263.43
  6. Step 6: Final answer
    x = 478,540.06

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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.