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Finding the Fourth Proportional to 373,113.11, 514,897.80 and 211,977

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Solution

The fourth proportional to 373,113.11, 514,897.80 and 211,977 is: 292,529.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,113.11 : 514,897.80 = 211,977 : x
  2. Step 2: Convert to fraction form
    373,113.11/514,897.80 = 211,977/x
  3. Step 3: Cross multiply
    373,113.11x = 514,897.80 × 211,977
  4. Step 4: Simplify right side
    373,113.11x = 109,146,490,950.60
  5. Step 5: Solve for x
    x = 109,146,490,950.60/373,113.11
  6. Step 6: Final answer
    x = 292,529.23

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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.