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Finding the Fourth Proportional to 373,106.45, 514,888.64 and 211,970.34

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Solution

The fourth proportional to 373,106.45, 514,888.64 and 211,970.34 is: 292,520.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,106.45 : 514,888.64 = 211,970.34 : x
  2. Step 2: Convert to fraction form
    373,106.45/514,888.64 = 211,970.34/x
  3. Step 3: Cross multiply
    373,106.45x = 514,888.64 × 211,970.34
  4. Step 4: Simplify right side
    373,106.45x = 109,141,120,968.02
  5. Step 5: Solve for x
    x = 109,141,120,968.02/373,106.45
  6. Step 6: Final answer
    x = 292,520.06

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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.