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Finding the Fourth Proportional to 373,106.02, 514,888.05 and 211,969.91

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Solution

The fourth proportional to 373,106.02, 514,888.05 and 211,969.91 is: 292,519.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,106.02 : 514,888.05 = 211,969.91 : x
  2. Step 2: Convert to fraction form
    373,106.02/514,888.05 = 211,969.91/x
  3. Step 3: Cross multiply
    373,106.02x = 514,888.05 × 211,969.91
  4. Step 4: Simplify right side
    373,106.02x = 109,140,775,104.52
  5. Step 5: Solve for x
    x = 109,140,775,104.52/373,106.02
  6. Step 6: Final answer
    x = 292,519.47

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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.