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Finding the Fourth Proportional to 288,546.45, 398,077.65 and 191,797.08

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Solution

The fourth proportional to 288,546.45, 398,077.65 and 191,797.08 is: 264,602.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,546.45 : 398,077.65 = 191,797.08 : x
  2. Step 2: Convert to fraction form
    288,546.45/398,077.65 = 191,797.08/x
  3. Step 3: Cross multiply
    288,546.45x = 398,077.65 × 191,797.08
  4. Step 4: Simplify right side
    288,546.45x = 76,350,130,883.26
  5. Step 5: Solve for x
    x = 76,350,130,883.26/288,546.45
  6. Step 6: Final answer
    x = 264,602.57

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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.