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Finding the Fourth Proportional to 373,126.50, 514,928.48 and 212,008.84

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Solution

The fourth proportional to 373,126.50, 514,928.48 and 212,008.84 is: 292,580.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,126.50 : 514,928.48 = 212,008.84 : x
  2. Step 2: Convert to fraction form
    373,126.50/514,928.48 = 212,008.84/x
  3. Step 3: Cross multiply
    373,126.50x = 514,928.48 × 212,008.84
  4. Step 4: Simplify right side
    373,126.50x = 109,169,387,380.40
  5. Step 5: Solve for x
    x = 109,169,387,380.40/373,126.50
  6. Step 6: Final answer
    x = 292,580.10

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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.