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Finding the Fourth Proportional to 373,113.99, 514,899.02 and 211,977.89

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Solution

The fourth proportional to 373,113.99, 514,899.02 and 211,977.89 is: 292,530.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,113.99 : 514,899.02 = 211,977.89 : x
  2. Step 2: Convert to fraction form
    373,113.99/514,899.02 = 211,977.89/x
  3. Step 3: Cross multiply
    373,113.99x = 514,899.02 × 211,977.89
  4. Step 4: Simplify right side
    373,113.99x = 109,147,207,822.67
  5. Step 5: Solve for x
    x = 109,147,207,822.67/373,113.99
  6. Step 6: Final answer
    x = 292,530.46

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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.