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Finding the Fourth Proportional to 254,464.40, 381,259.20 and 165,672.20

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Solution

The fourth proportional to 254,464.40, 381,259.20 and 165,672.20 is: 248,223.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,464.40 : 381,259.20 = 165,672.20 : x
  2. Step 2: Convert to fraction form
    254,464.40/381,259.20 = 165,672.20/x
  3. Step 3: Cross multiply
    254,464.40x = 381,259.20 × 165,672.20
  4. Step 4: Simplify right side
    254,464.40x = 63,164,050,434.24
  5. Step 5: Solve for x
    x = 63,164,050,434.24/254,464.40
  6. Step 6: Final answer
    x = 248,223.53

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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.