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Finding the Fourth Proportional to 373,113.16, 514,897.86 and 211,977.05

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Solution

The fourth proportional to 373,113.16, 514,897.86 and 211,977.05 is: 292,529.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,113.16 : 514,897.86 = 211,977.05 : x
  2. Step 2: Convert to fraction form
    373,113.16/514,897.86 = 211,977.05/x
  3. Step 3: Cross multiply
    373,113.16x = 514,897.86 × 211,977.05
  4. Step 4: Simplify right side
    373,113.16x = 109,146,530,530.84
  5. Step 5: Solve for x
    x = 109,146,530,530.84/373,113.16
  6. Step 6: Final answer
    x = 292,529.30

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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.