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Finding the Fourth Proportional to 373,199.46, 514,996.65 and 212,033.22

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Solution

The fourth proportional to 373,199.46, 514,996.65 and 212,033.22 is: 292,595.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,199.46 : 514,996.65 = 212,033.22 : x
  2. Step 2: Convert to fraction form
    373,199.46/514,996.65 = 212,033.22/x
  3. Step 3: Cross multiply
    373,199.46x = 514,996.65 × 212,033.22
  4. Step 4: Simplify right side
    373,199.46x = 109,196,397,988.71
  5. Step 5: Solve for x
    x = 109,196,397,988.71/373,199.46
  6. Step 6: Final answer
    x = 292,595.27

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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.