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Finding the Fourth Proportional to 310,849.80, 466,274.70 and 236,200.20

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Solution

The fourth proportional to 310,849.80, 466,274.70 and 236,200.20 is: 354,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,849.80 : 466,274.70 = 236,200.20 : x
  2. Step 2: Convert to fraction form
    310,849.80/466,274.70 = 236,200.20/x
  3. Step 3: Cross multiply
    310,849.80x = 466,274.70 × 236,200.20
  4. Step 4: Simplify right side
    310,849.80x = 110,134,177,394.94
  5. Step 5: Solve for x
    x = 110,134,177,394.94/310,849.80
  6. Step 6: Final answer
    x = 354,300.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.