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Finding the Fourth Proportional to 261,352.56, 360,748.76 and 148,250.48

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Solution

The fourth proportional to 261,352.56, 360,748.76 and 148,250.48 is: 204,632.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,352.56 : 360,748.76 = 148,250.48 : x
  2. Step 2: Convert to fraction form
    261,352.56/360,748.76 = 148,250.48/x
  3. Step 3: Cross multiply
    261,352.56x = 360,748.76 × 148,250.48
  4. Step 4: Simplify right side
    261,352.56x = 53,481,176,829.40
  5. Step 5: Solve for x
    x = 53,481,176,829.40/261,352.56
  6. Step 6: Final answer
    x = 204,632.31

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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.