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Finding the Fourth Proportional to 373,196.46, 514,992.51 and 212,030.22

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Solution

The fourth proportional to 373,196.46, 514,992.51 and 212,030.22 is: 292,591.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,196.46 : 514,992.51 = 212,030.22 : x
  2. Step 2: Convert to fraction form
    373,196.46/514,992.51 = 212,030.22/x
  3. Step 3: Cross multiply
    373,196.46x = 514,992.51 × 212,030.22
  4. Step 4: Simplify right side
    373,196.46x = 109,193,975,193.65
  5. Step 5: Solve for x
    x = 109,193,975,193.65/373,196.46
  6. Step 6: Final answer
    x = 292,591.13

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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.