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Finding the Fourth Proportional to 261,554.88, 360,982.50 and 152,694.92

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Solution

The fourth proportional to 261,554.88, 360,982.50 and 152,694.92 is: 210,740.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,554.88 : 360,982.50 = 152,694.92 : x
  2. Step 2: Convert to fraction form
    261,554.88/360,982.50 = 152,694.92/x
  3. Step 3: Cross multiply
    261,554.88x = 360,982.50 × 152,694.92
  4. Step 4: Simplify right side
    261,554.88x = 55,120,193,958.90
  5. Step 5: Solve for x
    x = 55,120,193,958.90/261,554.88
  6. Step 6: Final answer
    x = 210,740.45

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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.