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Finding the Fourth Proportional to 254,448.40, 355,761.20 and 254,448.40

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Solution

The fourth proportional to 254,448.40, 355,761.20 and 254,448.40 is: 355,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,448.40 : 355,761.20 = 254,448.40 : x
  2. Step 2: Convert to fraction form
    254,448.40/355,761.20 = 254,448.40/x
  3. Step 3: Cross multiply
    254,448.40x = 355,761.20 × 254,448.40
  4. Step 4: Simplify right side
    254,448.40x = 90,522,868,122.08
  5. Step 5: Solve for x
    x = 90,522,868,122.08/254,448.40
  6. Step 6: Final answer
    x = 355,761.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.