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Finding the Fourth Proportional to 373,105.18, 514,886.88 and 211,969.07

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Solution

The fourth proportional to 373,105.18, 514,886.88 and 211,969.07 is: 292,518.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,105.18 : 514,886.88 = 211,969.07 : x
  2. Step 2: Convert to fraction form
    373,105.18/514,886.88 = 211,969.07/x
  3. Step 3: Cross multiply
    373,105.18x = 514,886.88 × 211,969.07
  4. Step 4: Simplify right side
    373,105.18x = 109,140,094,495.21
  5. Step 5: Solve for x
    x = 109,140,094,495.21/373,105.18
  6. Step 6: Final answer
    x = 292,518.30

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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.