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Finding the Fourth Proportional to 671,326.95, 1,006,644.15 and 197,950.80

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Solution

The fourth proportional to 671,326.95, 1,006,644.15 and 197,950.80 is: 296,824.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,326.95 : 1,006,644.15 = 197,950.80 : x
  2. Step 2: Convert to fraction form
    671,326.95/1,006,644.15 = 197,950.80/x
  3. Step 3: Cross multiply
    671,326.95x = 1,006,644.15 × 197,950.80
  4. Step 4: Simplify right side
    671,326.95x = 199,266,014,807.82
  5. Step 5: Solve for x
    x = 199,266,014,807.82/671,326.95
  6. Step 6: Final answer
    x = 296,824.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.