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Finding the Fourth Proportional to 673,611.90, 929,606.93 and 367,706.41

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Solution

The fourth proportional to 673,611.90, 929,606.93 and 367,706.41 is: 507,447.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,611.90 : 929,606.93 = 367,706.41 : x
  2. Step 2: Convert to fraction form
    673,611.90/929,606.93 = 367,706.41/x
  3. Step 3: Cross multiply
    673,611.90x = 929,606.93 × 367,706.41
  4. Step 4: Simplify right side
    673,611.90x = 341,822,426,941.42
  5. Step 5: Solve for x
    x = 341,822,426,941.42/673,611.90
  6. Step 6: Final answer
    x = 507,447.13

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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.