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Finding the Fourth Proportional to 237,914.30, 328,149.60 and 202,047.50

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Solution

The fourth proportional to 237,914.30, 328,149.60 and 202,047.50 is: 278,679.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,914.30 : 328,149.60 = 202,047.50 : x
  2. Step 2: Convert to fraction form
    237,914.30/328,149.60 = 202,047.50/x
  3. Step 3: Cross multiply
    237,914.30x = 328,149.60 × 202,047.50
  4. Step 4: Simplify right side
    237,914.30x = 66,301,806,306.00
  5. Step 5: Solve for x
    x = 66,301,806,306.00/237,914.30
  6. Step 6: Final answer
    x = 278,679.37

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1.5x scale

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.