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Finding the Fourth Proportional to 254,460.90, 355,778.70 and 254,460.90

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Solution

The fourth proportional to 254,460.90, 355,778.70 and 254,460.90 is: 355,778.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,460.90 : 355,778.70 = 254,460.90 : x
  2. Step 2: Convert to fraction form
    254,460.90/355,778.70 = 254,460.90/x
  3. Step 3: Cross multiply
    254,460.90x = 355,778.70 × 254,460.90
  4. Step 4: Simplify right side
    254,460.90x = 90,531,768,202.83
  5. Step 5: Solve for x
    x = 90,531,768,202.83/254,460.90
  6. Step 6: Final answer
    x = 355,778.70

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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.