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Finding the Fourth Proportional to 373,124.07, 514,925.12 and 212,006.40

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Solution

The fourth proportional to 373,124.07, 514,925.12 and 212,006.40 is: 292,576.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,124.07 : 514,925.12 = 212,006.40 : x
  2. Step 2: Convert to fraction form
    373,124.07/514,925.12 = 212,006.40/x
  3. Step 3: Cross multiply
    373,124.07x = 514,925.12 × 212,006.40
  4. Step 4: Simplify right side
    373,124.07x = 109,167,419,900.74
  5. Step 5: Solve for x
    x = 109,167,419,900.74/373,124.07
  6. Step 6: Final answer
    x = 292,576.73

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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.