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Finding the Fourth Proportional to 633,031.45, 873,583.38 and 346,551.54

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Solution

The fourth proportional to 633,031.45, 873,583.38 and 346,551.54 is: 478,241.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,031.45 : 873,583.38 = 346,551.54 : x
  2. Step 2: Convert to fraction form
    633,031.45/873,583.38 = 346,551.54/x
  3. Step 3: Cross multiply
    633,031.45x = 873,583.38 × 346,551.54
  4. Step 4: Simplify right side
    633,031.45x = 302,741,665,657.41
  5. Step 5: Solve for x
    x = 302,741,665,657.41/633,031.45
  6. Step 6: Final answer
    x = 478,241.11

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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.