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Finding the Fourth Proportional to 254,016.90, 355,157.10 and 254,016.90

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Solution

The fourth proportional to 254,016.90, 355,157.10 and 254,016.90 is: 355,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,016.90 : 355,157.10 = 254,016.90 : x
  2. Step 2: Convert to fraction form
    254,016.90/355,157.10 = 254,016.90/x
  3. Step 3: Cross multiply
    254,016.90x = 355,157.10 × 254,016.90
  4. Step 4: Simplify right side
    254,016.90x = 90,215,905,554.99
  5. Step 5: Solve for x
    x = 90,215,905,554.99/254,016.90
  6. Step 6: Final answer
    x = 355,157.10

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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.