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Finding the Fourth Proportional to 288,546.80, 432,301.80 and 247,074.80

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Solution

The fourth proportional to 288,546.80, 432,301.80 and 247,074.80 is: 370,168.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,546.80 : 432,301.80 = 247,074.80 : x
  2. Step 2: Convert to fraction form
    288,546.80/432,301.80 = 247,074.80/x
  3. Step 3: Cross multiply
    288,546.80x = 432,301.80 × 247,074.80
  4. Step 4: Simplify right side
    288,546.80x = 106,810,880,774.64
  5. Step 5: Solve for x
    x = 106,810,880,774.64/288,546.80
  6. Step 6: Final answer
    x = 370,168.31

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1.5x scale

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.